Unit 8 Safe and sound 语法Grammar 过去进行时-2025-2026学年八年级英语上册单元重难点易错题精练（译林版2024）

班级 姓名 学号 分数 Unit 8 Safe and sound 过去进行时 （时间：60分钟，满分：100分） 1、 单项选择(本大题共30小题，每小题2分，共60分) 1．When we ________ our soccer match I fell over three times. A．play B．played C．were playing D．have played 【答案】C 【详解】句意：当我们正在踢足球比赛时，我摔倒了三次。 考查动词时态。play用于一般现在时；played用于一般过去时；were playing用于过去进行时；have played用于现在完成时。主句“I fell over”为一般过去时，从句表示过去某个时间点正在进行的动作，应用过去进行时。故选C。 2．I ________ about my sister when my phone rang. It was her! A．thought B．will think C．was thinking D．am thinking 【答案】C 【详解】句意：我正在想我妹妹的事，这时电话响了。是她打来的！ 考查过去进行时。根据“when my phone rang”可知，主句动作“想”是正在进行的背景动作，需用过去进行时（was/were doing）。故选C。 3．My father ________ on the computer when I came back home yesterday. A．work B．is working C．worked D．was working 【答案】D 【详解】句意：昨天我回家时，我父亲正在电脑前工作。 考查动词的时态。根据“when I came back home yesterday”可知，此处时态为过去进行时，表示两个动作同时发生，主语是My father，所以结构为：was+现在分词。故选D。 4．—Why didn’t you attend the speech about online learning yesterday? —I ________ all the materials in the library for my science project. A．was organizing B．will organize C．organize D．have organized 【答案】A 【详解】句意：——你昨天为什么没参加关于在线学习的演讲？——我正在为我的科学项目整理图书馆里的所有资料。 考查过去进行时。根据“Why didn’t you attend the speech about online learning yesterday?”和“I ... all the materials in the library for my science project.”可知，我昨天没参加演讲，是因为正在整理资料。根据语境可知是过去进行时was/were doing，表示过去某个时间段正在进行的动作。故选A。 5．The Smiths ______ supper at seven last night. A．was having B．were having C．is having D．are having 【答案】B 【详解】句意：史密斯一家昨晚七点正在吃晚饭。 考查主谓一致和时态。根据“at seven last night”可知，句子描述的是过去某个时间正在进行的动作，应该用过去进行时“was/were doing”；主语“The Smiths”表示“史密斯一家人”，是复数概念，be动词用were。故选B。 6．When the teacher came in, the students ________ about the new movie. A．talked B．were talking C．are talking D．talk 【答案】B 【详解】句意：当老师进来时，学生们正在讨论那部新电影。 考查动词时态。根据“When the teacher came in”可知，此处指过去某一时刻正在进行的动作，应用过去进行时（was/were doing）。故选B。 7．—What was Lucy doing at 8 o’clock last night? —Sorry, I didn’t know. I ________ the newspaper at that time. A．read B．am reading C．was reading D．will read 【答案】C 【详解】句意：——昨晚8点露西在做什么？——对不起，我不知道。那时我正在看报纸。 考查过去进行时。根据问句“at 8 o’clock last night”可知，“at that time”指代昨晚8点，答句需说明当时正在进行的动作，因此用过去进行时，其结构为“was/were+现在分词”。故选C。 8．—Amy, you didn’t answer my call. What were you doing at 8 o’clock last night? —Sorry. I ________ TV at that time. A．watch B．watched C．was watching D．am watching 【答案】C 【详解】句意：——艾米，你没接我电话。昨晚8点你在做什么？——抱歉，我当时正在看电视。 考查过去进行时。根据“at that time”可知需用过去进行时，故选C。 9．—I didn’t see you when I passed your classroom this morning. —Oh, I ________ with my math teacher in his office. A．talk B．will talk C．am talking D．was talking 【答案】D 【详解】句意：——今天早上我经过你们教室的时候没有看到你。——噢，我当时正在我数学老师的办公室里和他聊天呢。 考查时态。根据“I didn’t see you when I passed your classroom this morning.”可知，当时经过教室没有看到“我”，是因为“我”那时正在数学老师的办公室里和他交谈，应用过去进行时“was/were doing”。故选D。 10．While my mother ________ dinner, my father was reading a newspaper. A．cooked B．was cooking C．cooks D．is cooking 【答案】B 【详解】句意：当我母亲在做饭时，我父亲在看报纸。 考查动词时态。本句是while引导的时间状语从句，此处强调主句的动作发生时，从句的动作也正在进行，结合“my father was reading a newspaper ”可知，空处应用过去进行时。故选B。 11．Last night while I ________ a book, someone knocked on the door. A．read B．was reading C．will read D．am reading 【答案】B 【详解】句意：昨晚我正在读书时，有人在敲门。 考查动词的时态。根据“while”和“someone knocked on the door.”可知，此句是while引导的时间状语从句，动作发生在过去，强调正在看书的时候，有人敲门，应用过去进行时，即was/were doing的结构。故选B。 12．—I called you at 8:30 last night, but you didn’t pick up. —I ______ at that time. A．took a shower B．was taking a shower C．am taking a shower D．takes a shower 【答案】B 【详解】句意：——我昨晚八点半给你打电话，但你没接。——我那时正在洗澡。 考查时态。take a shower洗澡。根据“at that time”可知，此处用过去进行时，故选B。 13．—Linda, I called at seven last night and you didn’t pick up. —Oh, I ________ to an English speech. A．listen B．am listening C．was listening D．listens 【答案】C 【详解】句意：——琳达，我昨晚七点打电话，你没接。——哦，我当时在听英语演讲。 考查时态。根据题干“called at seven last night”可知，动作发生在过去具体时间点，需用过去进行时表示“当时正在做某事”，结构为“was/were+动词现在分词”，主语为I，be动词用was，故选C。 14．—Do you remember the car accident yesterday? —Sure. I ________ bus No. 6 when it happened. A．wait for B．am waiting for C．will wait for D．was waiting for 【答案】D 【详解】句意：——你还记得昨天的车祸吗？——当然。当它发生的时候我正在等6路公交车。 考查动词时态。根据“I...Bus No. 6 when it happened.”可知，句中表述在昨天车祸发生的那个具体时刻，我正在进行等公交车的动作。此处应该使用过去进行时态：was/were doing。故选D。 15．—Hi, Daniel. You didn’t come to Jim’s party yesterday afternoon. What happened? —My brother’s model car was broken and I ________ it the whole afternoon. A．was repairing B．repair C．have repaired D．am repairing 【答案】A 【详解】句意：——嗨，丹尼尔。你昨天下午没有来吉姆的派对。发生什么事了？——我弟弟的模型车坏了，我整个下午都在修理它。 考查过去进行时。was repairing正在修理（过去进行时）；repair修理（一般现在时）；have repaired已经修理（现在完成时）；am repairing正在修理（现在进行时）。根据“the whole afternoon”可知，此处表示“过去某个时间段正在进行的动作”，用过去进行时was repairing符合语境。故选A。 16．When I saw him, he ________ a letter to his parents. A．writes B．wrote C．was writing D．has written 【答案】C 【详解】句意：当我看到他的时候，他正在给他的父母写信。 考查过去进行时。根据“When I saw him”可知主句的事情发生在过去并且在我看到的那一刻正在进行，应用过去进行时，表示过去某一时刻正在进行的动作，其结构为“was/were + 现在分词”，句子主语he是单数第三人称，此处应填was writing，故选C。 17．—What happened to Mrs. Smart? —She cut herself while she ________ lunch. A．is preparing B．was preparing C．will prepare D．has prepared 【答案】B 【详解】句意：——斯玛特夫人怎么了？  ——她在准备午餐的时候割伤了自己。 考查动词时态辨析。根据“What happened to Mrs. Smart?”可知，事情发生在过去，再结合“while”引导时间状语从句，强调主从句动作同时发生，且从句动作往往是延续性的，这里表示在过去某个时刻（割伤自己时）正在进行的动作，所以应用过去进行时“was preparing”。 故选B。 18．My dad ________ yard work outside when suddenly the rain ________. A．did; started B．was doing; started C．did; was starting D．was doing; was starting 【答案】B 【详解】句意：我爸爸正在外面做院子里的活儿，突然下起了雨。 考查动词时态。根据“My dad…yard work outside when suddenly the rain…”的语境并结合选项可知，此处指一个动作发生时，另一个动作正在进行，主句用过去进行时，从句用一般过去时。故选B。 19．______ I got home, my mother was cooking dinner. A．When B．While C．After D．As soon as 【答案】A 【详解】句意：当我到家的时候，我妈妈正在做晚饭。 考查连词辨析。When当……时候；While当……时候，与进行时态连用；After在……之后；As soon as一……就……。根据句子结构可知，该句为复合句，空后引导的是时间状语从句，从句中谓语动词got是瞬间性动词，不能用While引导；结合句意可知，这里表示“当我到家的时候”，妈妈正在做饭，因此应用When引导。故选A。 20．Susan and Lily _________ some vegetables on the farm this time yesterday. A．have picked B．had picked C．would pick D．were picking 【答案】D 【详解】句意：昨天的这个时候，Susan和Lily正在农场里采摘蔬菜。 考查过去进行时。have picked现在完成时；had picked过去完成时；would pick过去将来时；were picking过去进行时。根据句中的标志性时间状语“this time yesterday”可知，句中时态用过去进行时，表示过去某一刻正在干什么。故选D。 21．—I didn’t see you in the dining hall. But you said you would come! —I am really sorry about that. I ________ Mr Zhang carry books then. A．have helped B．am helping C．was helping D．will help 【答案】C 【详解】句意：——我没在餐厅看到你。可是你说过你会来的！——我真的很抱歉。那时我正在帮张老师搬书。 考查时态。have helped现在完成时；am helping现在进行时；was helping过去进行时；will help一般将来时。根据“I…Mr Zhang carry books then.”可知，此处指当时某刻正在做的事情，应用过去进行时。故选C。 22．—Why didn’t you open the door for me, mum? —I ________ clothes in the bathroom. I didn’t hear the knock. A．am washing B．have washed C．washed D．was washing 【答案】D 【详解】句意：——你为什么不给我开门，妈妈？——我在浴室洗衣服。我没有听到敲门声。 考查时态。根据“Why didn’t you open the door for me, mum?”和“I…clothes in the bathroom.”可知，强调在过去的时间点正在发生的动作，用过去进行时was/were doing，故选D。 23．They ________ when the teacher came in. A．talk B．are talking C．were talking D．talked 【答案】C 【详解】句意：当老师进来的时候，他们正在说话。 考查过去进行时。根据when the teacher came in.可知，此处描述的是过去某一时刻发生的事情，应用过去进行时：was/were doing，主语they为复数，be动词应用were。故选C。 24．—Why didn’t you attend the meeting this morning? —I ________ the exchange students around our school. A．show B．was showing C．am showing D．will show 【答案】B 【详解】句意：——你今天早上为什么没有参加会议？——我正带着交换生参观学校。 考查动词的时态。结合语境可知，此处表示过去某段时间正在做的事情，故应用过去进行时，即was/were doing的结构。故选B。 25．—Did you hear the ring just now? —No, I didn’t. I ________ to music on headphones. A．am listening B．have listened C．was listening D．will listen 【答案】C 【详解】句意：——你刚才听到铃声了吗？——不，我没有。我当时正戴着耳机听音乐。 考查时态。根据“Did you hear the ring just now?”可知，此处应是介绍过去的某个时间里正发生的动作，应用过去进行时was/were doing，主语是I，be用was。故选C。 26．Kevin ________ his report about the pollution problems when it began to rain. A．is writing B．has written C．is going to write D．was writing 【答案】D 【详解】句意：当开始下雨的时候，Kevin正在写关于污染问题的报告。 考查过去进行时。根据“Kevin...his report about the pollution problems when it began to rain.”可知，该句是when引导的时间状语从句，表示一件事情发生的时候另一件事情正在进行，所以该空应用过去进行时was writing。故选D。 27．I ________ a piano lesson at seven o’clock last night. A．teach B．taught C．is teaching D．was teaching 【答案】D 【详解】句意：昨晚七点，我正在上钢琴课。 考查时态。teach教，一般现在时；taught一般过去时；is teaching现在进行时；was teaching过去进行时。根据“at seven o’clock last night”可知，表示过去某个时间点正在做某事，用过去进行时。故选D。 28．Jack ________ the meal for his family when someone knocked at the door. A．cooks B．will cook C．is cooking D．was cooking 【答案】D 【详解】句意：当有人敲门时，杰克正在为他的家人做饭。 考查动词时态。根据“when someone knocked at the door.”可知，事情发生在过去，说的是有人敲门时，杰克正在做的事情，要用过去进行时。故选D。 29．—Amy, what was your brother doing at nine yesterday evening? —He ________ a wonderful tennis match at that time. A．is watching B．was watching C．will watch D．has watched 【答案】B 【详解】句意：——艾米，你哥哥昨天晚上九点在做什么？——他那个时候在看一场精彩的网球比赛。 考查过去进行时。根据问句的时间状语“at nine yesterday evening”可知，提问人询问的是过去某一时间点正发生的事情，所以，答句中“at that time”也是指过去的时间点，而表示过去某一时间点正在发生的动作应用过去进行时，was watching符合题意。故选B。 30．While my mother ________ some shopping yesterday, she happened to meet an old friend. A．was doing B．did C．has done D．does 【答案】A 【详解】句意：昨天当我的母亲正在购物的时候，她碰巧见到了一位老朋友。 考查动词的时态。此处是while引导的时间状语从句，强调母亲当时正在购物，这里应用过去进行时，故选A。 二、单词拼写(本大题共20小题，每小题2分，共40分) 31．Daniel (write) an e-mail to his friend when the doorbell rang. 【答案】was writing 【详解】句意：丹尼尔正在给他的朋友写电子邮件，这时门铃响了。根据“Daniel…an e-mail to his friend when the doorbell rang.”可知本句为when引导的时间状语从句，从句动作发生时，主句动作正在进行。由从句中rang可知，从句为一般过去时，则主句为过去进行时，主句主语Daniel为第三人称单数，be动词用was，即was writing。故填was writing。 32．Her mother (cook) while her father was watching TV. 【答案】was cooking 【详解】句意：她妈妈在做饭，爸爸在看电视。根据“Her mother…while her father was watching TV.”及提示词可知，此处指的是她的妈妈正在做饭，根据“her father was watching TV.”可知，句子时态为过去进行时，其结构为：was/were doing，主语“Her mother”，第三人称单数，助动词应为“was”；cook“做饭”，其现在分词形式“cooking”符合语境。故填was cooking。 33．Lucy (go) over her lessons from eight to nine yesterday evening. 【答案】was going 【详解】句意：露西昨天晚上八点到九点复习功课。根据“Lucy…over her lessons from eight to nine yesterday evening.”及提示词可知，句子时态为过去进行时，其结构为：was/were doing。主语Lucy，第三人称单数，be动词应为was，go over“复习”，其现在分词形式为“going over”。故填was going。 34．Ι (have) dinner at half past six yesterday evening. 【答案】was having 【详解】句意：昨天晚上六点半我正在吃饭。根据句意可知，这里表示在过去的某一时刻正在发生的动作，所以用过去进行时，谓语动词结构为：was/were+现在分词，主语是I，所以此处结构为：was + 现在分词，结合所给词可知，have的现在分词是having。故填was having。 35．Gina and Tina (read) stories at this time yesterday. 【答案】were reading 【详解】句意：昨天这个时候吉娜和蒂娜正在读故事。根据“at this time yesterday.”可知此处描述昨天这个时候正在做的事情，用过去进行时，主语是Gina and Tina，be动词用were。故填were reading。 36．I (do) my homework at this time yesterday afternoon. 【答案】was doing 【详解】句意：昨天下午的这个时候我正在做作业。根据“at this time yesterday afternoon”可知，此处应用过去进行时，表示过去某一时间正在发生或进行的动作，构成为was/ were doing，主语为I，因此用was，do“做”，现在分词形式为doing。故填was doing。 37．They (discuss) a problem in the meeting room at this time yesterday. 【答案】were discussing 【详解】句意：昨天这个时候，他们正在会议室讨论一个问题。discuss“讨论”，根据“at this time yesterday”可知，时态用过去进行时was/were doing，主语是They，be用were。故填were discussing。 38．The children (run) in the playground at 4:30 yesterday afternoon. 【答案】were running 【详解】句意：昨天下午四点半，孩子们正在操场上跑步。根据“at 4:30 yesterday afternoon”可知，句子时态为过去进行时，其结构为was/were doing；主语“The children”为第三人称复数，be动词用were，动词run的现在分词为running。故填were running。 39．The boy (lie) on the bed when his mother came in. 【答案】was lying 【详解】句意：妈妈进来时，男孩正躺在床上。根据“when his mother came in”可知，此处指过去正在进行的动作，用过去进行时，主语为“The boy”，所以应填was lying。故填was lying。 40．At this time yesterday we (stand) at the top of the mountain. 【答案】were standing 【详解】句意：昨天这个时候我们正站在山顶上。stand“站”，为动词，根据“At this time yesterday”可知，该句是过去进行时，主语是“we”，故填were standing。 41．One day, she (walk) on the street when she met a friend. 【答案】was walking 【详解】句意：一天，她在街上走的时候遇到了一个朋友。主句“she met a friend”使用的是一般过去时，表示在某个特定时间点发生的动作；而从句“she...(walk) on the street”描述的是在这个时间点正在进行的动作，因此使用过去进行时。过去进行时的结构是“was/were + 动词的现在分词”，主语是三单，be动词用was。故填was walking。 42．When I came back home, Mum (water) the garden. 【答案】was watering 【详解】句意：当我回到家时，妈妈正在给花园浇水。分析句子可知，“came back home”与“water the garden”同时发生，时间状语从句用一般过去时，主句要用过去进行时“was/were doing”的结构，主语为Mum，be动词用was，故填was watering。 43．When I got to school yesterday morning, it (rain) hard. 【答案】was raining 【详解】句意：昨天早上我到学校时，雨下得很大。rain“下雨”，动词。此处是含when引导的时间状语从句的复合句，结合“got”可知，事情发生在过去，指“我”到学校时，正在下雨，故主句是过去进行时“was/were doing”，主语是第三人称单数，be动词用was。故填was raining。 44．I hear he (write) a novel last month. I wonder if he has finished it yet. 【答案】was writing 【详解】句意：我听说他上个月在写一本小说。我想知道他是否已经完成了。根据“I wonder if he has finished it yet”可知，他上个月的时候正在写一本小说，应用过去进行时，表示过去某段时间正在进行的动作，主语he为三单，构成为was doing形式。故填was writing。 45．Mother was sweeping the floor when I (leave) home. 【答案】left 【详解】句意：当我离开家的时候，妈妈正在扫地。该句是when引导的时间状语从句，主句是过去进行时，从句也应用相应的过去时态。leave表示“离开”，短暂性动词，从句应用一般过去时，此处应填leave的过去式形式。故填left。 46．—Where did you see Tom? —I saw him while he (help) a blind man cross the road. 【答案】was helping 【详解】句意：——你在哪里看到汤姆的？——我看见他在帮助一个盲人过马路。根据句意可知，此处表示过去正在进行的动作，因此时态应用过去进行时，其结构为was/were+动词的现在分词。主语是he，be动词用was。故填was helping。 47．My mother (water) the flowers in the garden when I came back. 【答案】was watering 【详解】句意：我回来的时候，妈妈正在花园里浇花。根据“when I came back”可知是指妈妈正在花园里浇花。需用过去进行时结构，was/were+doing的形式，主语是My mother单数，需用was。故填was watering。 48．I was (sleep) when my mother came in the room. 【答案】sleeping 【详解】句意：当我妈妈进房间时，我正在睡觉。根据“when my mother came in the room”可知当时正在睡觉，用过去进行时，故此处用现在分词。故填sleeping。 49．When the accident happened, the lady (shop) in the supermarket. 【答案】was shopping 【详解】句意：事故发生时，这位女士正在超市购物。根据“When the accident happened”可知，主句时态用过去进行时was/were doing，主语是三单，be用was。故填was shopping。 50．Mike (sweep) the floor when I knocked the door. 【答案】was sweeping 【详解】句意：我敲门时，迈克正在扫地。根据“when I knocked the door”可知，此处表示的是过去的某一时刻发生的动作，应用过去进行时was/were doing，主语是三单，be用was。故填was sweeping。 试卷第1页，共3页 试卷第1页，共3页 学科网（北京）股份有限公司 $ 班级 姓名 学号 分数 Unit 8 Safe and sound 过去进行时 （时间：60分钟，满分：100分） 1、 单项选择(本大题共30小题，每小题2分，共60分) 1．When we ________ our soccer match I fell over three times. A．play B．played C．were playing D．have played 2．I ________ about my sister when my phone rang. It was her! A．thought B．will think C．was thinking D．am thinking 3．My father ________ on the computer when I came back home yesterday. A．work B．is working C．worked D．was working 4．—Why didn’t you attend the speech about online learning yesterday? —I ________ all the materials in the library for my science project. A．was organizing B．will organize C．organize D．have organized 5．The Smiths ______ supper at seven last night. A．was having B．were having C．is having D．are having 6．When the teacher came in, the students ________ about the new movie. A．talked B．were talking C．are talking D．talk 7．—What was Lucy doing at 8 o’clock last night? —Sorry, I didn’t know. I ________ the newspaper at that time. A．read B．am reading C．was reading D．will read 8．—Amy, you didn’t answer my call. What were you doing at 8 o’clock last night? —Sorry. I ________ TV at that time. A．watch B．watched C．was watching D．am watching 9．—I didn’t see you when I passed your classroom this morning. —Oh, I ________ with my math teacher in his office. A．talk B．will talk C．am talking D．was talking 10．While my mother ________ dinner, my father was reading a newspaper. A．cooked B．was cooking C．cooks D．is cooking 11．Last night while I ________ a book, someone knocked on the door. A．read B．was reading C．will read D．am reading 12．—I called you at 8:30 last night, but you didn’t pick up. —I ______ at that time. A．took a shower B．was taking a shower C．am taking a shower D．takes a shower 13．—Linda, I called at seven last night and you didn’t pick up. —Oh, I ________ to an English speech. A．listen B．am listening C．was listening D．listens 14．—Do you remember the car accident yesterday? —Sure. I ________ bus No. 6 when it happened. A．wait for B．am waiting for C．will wait for D．was waiting for 15．—Hi, Daniel. You didn’t come to Jim’s party yesterday afternoon. What happened? —My brother’s model car was broken and I ________ it the whole afternoon. A．was repairing B．repair C．have repaired D．am repairing 16．When I saw him, he ________ a letter to his parents. A．writes B．wrote C．was writing D．has written 17．—What happened to Mrs. Smart? —She cut herself while she ________ lunch. A．is preparing B．was preparing C．will prepare D．has prepared 18．My dad ________ yard work outside when suddenly the rain ________. A．did; started B．was doing; started C．did; was starting D．was doing; was starting 19．______ I got home, my mother was cooking dinner. A．When B．While C．After D．As soon as 20．Susan and Lily _________ some vegetables on the farm this time yesterday. A．have picked B．had picked C．would pick D．were picking 21．—I didn’t see you in the dining hall. But you said you would come! —I am really sorry about that. I ________ Mr Zhang carry books then. A．have helped B．am helping C．was helping D．will help 22．—Why didn’t you open the door for me, mum? —I ________ clothes in the bathroom. I didn’t hear the knock. A．am washing B．have washed C．washed D．was washing 23．They ________ when the teacher came in. A．talk B．are talking C．were talking D．talked 24．—Why didn’t you attend the meeting this morning? —I ________ the exchange students around our school. A．show B．was showing C．am showing D．will show 25．—Did you hear the ring just now? —No, I didn’t. I ________ to music on headphones. A．am listening B．have listened C．was listening D．will listen 26．Kevin ________ his report about the pollution problems when it began to rain. A．is writing B．has written C．is going to write D．was writing 27．I ________ a piano lesson at seven o’clock last night. A．teach B．taught C．is teaching D．was teaching 28．Jack ________ the meal for his family when someone knocked at the door. A．cooks B．will cook C．is cooking D．was cooking 29．—Amy, what was your brother doing at nine yesterday evening? —He ________ a wonderful tennis match at that time. A．is watching B．was watching C．will watch D．has watched 30．While my mother ________ some shopping yesterday, she happened to meet an old friend. A．was doing B．did C．has done D．does 二、单词拼写(本大题共20小题，每小题2分，共40分) 31．Daniel (write) an e-mail to his friend when the doorbell rang. 32．Her mother (cook) while her father was watching TV. 33．Lucy (go) over her lessons from eight to nine yesterday evening. 34．Ι (have) dinner at half past six yesterday evening. 35．Gina and Tina (read) stories at this time yesterday. 36．I (do) my homework at this time yesterday afternoon. 37．They (discuss) a problem in the meeting room at this time yesterday. 38．The children (run) in the playground at 4:30 yesterday afternoon. 39．The boy (lie) on the bed when his mother came in. 40．At this time yesterday we (stand) at the top of the mountain. 41．One day, she (walk) on the street when she met a friend. 42．When I came back home, Mum (water) the garden. 43．When I got to school yesterday morning, it (rain) hard. 44．I hear he (write) a novel last month. I wonder if he has finished it yet. 45．Mother was sweeping the floor when I (leave) home. 46．—Where did you see Tom? —I saw him while he (help) a blind man cross the road. 47．My mother (water) the flowers in the garden when I came back. 48．I was (sleep) when my mother came in the room. 49．When the accident happened, the lady (shop) in the supermarket. 50．Mike (sweep) the floor when I knocked the door. 试卷第1页，共3页 试卷第1页，共3页 学科网（北京）股份有限公司 $