指示代词和疑问代词-知识点训练卷 2026版云南省（职教高考）《英语考纲百套卷》第9卷（原卷版+解析版）

编写说明：2026版云南省（职教高考）《英语考纲百套卷》，依据最新版《中等职业学校英语课程标准》及历年真题编写。本套试卷共100份：第一部分是54份知识点训练卷，第二部分是语音、词汇与语法、完形填空、阅读理解、补全对话、情景交际、词形转换、书面表达等31份专项训练卷，第三部分是15份综合模拟卷。 本试卷是2026版云南省（职教高考）《英语考纲百套卷》的第9卷，是知识点训练卷。 2026版云南省（职教高考）《英语考纲百套卷》第9卷 知识点训练卷·代词2（指示代词和疑问代词） 考试时间：40分钟 满分：100分 班级 姓名 学号 成绩 一、词汇与语法:本题共40小题,每小题2.5分,共100分。 1．— Hello, Ms. Miller. ________ my sister, Linda. — Linda, nice to meet you. A．This is B．That is C．There are D．Those are 2．Jim, ________ is my mother and ________ is my father. A．that; it B．this; that C．these; those D．those; these 3．Hello, Amy! is my cousin Sally and are her mom and dad. A．This, that B．These, that C．This, those D．These, those 4．__________ are my parents, and __________ is my brother. A．This; this B．These; those C．This; those D．These; that 5．________ is a book. What is ________? A．This; this B．That; that C．This; that D. That; This 6．— I don’t like these shoes. They are too small for me. — Well, how about ________ on the shelf? They might fit you better. A．this B．that C．ones D．those 7．________ boys are in the Class Two. A．This B．Those C．That D．Them 8．The food in my hometown is quite different ______ there. A．from, it B．to, from C．from, that D．from, that one 9．He hurt his leg yesterday. ________ why he can’t come to ________ party. A．That’s; tonight B．That’s; tonight’s C．It’s; tonight D．It’s; tonight’s 10．The days in winter are shorter than ________ in summer. A．that B．those C．this D．these 11．—Excuse me, _________ Jane speaking? —Yes,_________ . A．are you; I am Jane B．is that; speaking C．are you; speaking D．is that; I am Jane 12．—Hello. Mrs. Sharon’s office. Who’s that speaking? —________ is Danny. A．That B．Who C．Whom D．This 13．—Hello! ________ Michael. May I speak to Sam? —________. He is coming. A．I’m; Wait a minute B．This’s; All right C．This is; Hold on, please D．I’m; Sorry 14．—Who is that speaking? —________ Mike speaking. A．I’m B．My name is C．That is D．This is 15．—Hello, _______ Mike. Who _______? —Jane speaking. May I speak to Jim? A．I am; are you B．this is; is that C．this is; are you D．I am; is that 16．The temperature indoors is quite different from _______ outdoors here in spring. A．it B．one C．this D．that 17．The climate in the north is dryer than ________ in the south. A．it B．that C．this D．what 18．The weather in Hainan is much hotter than ________ in Kunming now. A．this B．that C．it D．one 19．The weather in Hengyang is different from ________ in Beijing. A．one B．that C．it D．/ 20．I prefer the food in your college to ________ in our college. A．that B．those C．one D．it 21．The population of China is much larger than _________ of France. A．it B．this C．that D．those 22．Our products are of better quality than ________ from Spain. A．those B．that C．this D．one 23．By then there may be only standing room on the earth. ________ will be a very serious problem. A．Where to go B．Where to live C．Where to sitting D．Where to stand 24．— Your robot has caught a virus and it no longer works properly. — Wow, ________ mess it has made! I really don’t know ________ to do with it. A．what a; how B．how; how C．what a; what D．how; what 25．The volunteer is teaching the old couple how ________ the machine. A．operating B．operate C．to operate D．operates 26．I often doubt ________ he says. A．whether to believe what B．whether should I believe what C．if to believe that D．whether to believe that 27．— Can you tell me ________? — Sure. Just walk along the street and the bank is on the right. A．which is the bank B．why I need to go to the bank C．how to get to the bank D．who works in the bank 28．— Could you tell me ________ get to the Xinxin School? — Go down the street, and it’s on your right. A．where is B．how to C．what to D．why to 29．Could you tell me ________ the post office? A．where is B．where to find C．how to find D．how find 30．There are so many toys in the shop ________ that he can’t decide which ________. A．to choose from; choose B．to choose; choose from C．to choose; to choose from D．to choose from; to choose 31．—Do you know _______ the waste? —Let me see. A．how to do with B．what to do with C．how to deal D．what to deal with 32．As the second ________ island in China, Hainan Island covers a smaller area than ________ of Taiwan Island. A．large; it B．larger; that C．largest; / D．largest; that 33．In winter, the weather in the south is usually warmer than ________ in the north. A．this B．it C．one D．that 34．________ bags over there (那边) are black. A．That B．They C．These D．Those 35．—Mom, ________ is my friend, Linda. —Nice to meet you, Linda. A．she B．he C．this D．that 36．—Are ________ his books? —Yes, and ________ is his ruler. A．this; that B．these; that C．this; those D．these; those 37．—Cathy, ________ is Linda. —Nice to meet you! A．this B．that C．it D．she 38．___________ to start is not important. It’s never too late to start. A．How B．When C．Where D．What 39．—Wow, Wendy, it’s cool to make a short video with your mobile phone. —Just with a software called Jianying. Let me show you ________. A．which to use B．how to use it C．what to use D．whether to use it 40．—Have you decided when _______? —Yes, next Monday. A．to leave B．to be leaving C．will you leave D．are you leaving 原创精品资源学科网独家享有版权，侵权必究！ 学科网（北京）股份有限公司 学科网（北京）股份有限公司 $$ 编写说明：2026版云南省（职教高考）《英语考纲百套卷》，依据最新版《中等职业学校英语课程标准》及历年真题编写。本套试卷共100份：第一部分是54份知识点训练卷，第二部分是语音、词汇与语法、完形填空、阅读理解、补全对话、情景交际、词形转换、书面表达等31份专项训练卷，第三部分是15份综合模拟卷。 本试卷是2026版云南省（职教高考）《英语考纲百套卷》的第9卷，是知识点训练卷。 2026版云南省（职教高考）《英语考纲百套卷》第9卷 知识点训练卷·代词2（指示代词和疑问代词） 考试时间：40分钟 满分：100分 班级 姓名 学号 成绩 一、词汇与语法:本题共40小题,每小题2.5分,共100分。 1．— Hello, Ms. Miller. ________ my sister, Linda. — Linda, nice to meet you. A．This is B．That is C．There are D．Those are 【答案】A 【详解】考查代词词义辨析。句意：——你好，米勒女士。这是我的妹妹，琳达。——琳达，很高兴见到你。A. This is这是（用于介绍离自己较近的人或物）；B. That is那是（用于介绍离自己较远的人或物）；C. There are有（表示存在）；D. Those are那些是（用于介绍离自己较远的多个事物）。根据“my sister, Linda”可知，此处是在介绍离自己较近的妹妹，所以用This is。故选A。 2．Jim, ________ is my mother and ________ is my father. A．that; it B．this; that C．these; those D．those; these 【答案】B 【详解】考查代词辨析。句意：这个是我妈妈，那个是我爸爸。that那个，可用于指代较远的人或物，其复数形式为those那些；it它，指人时通常是指不明性别的人；this这个，用于介绍离说话人较近的人，其复数形式为these这些。根据“is my mother”以及“is my father.”可知，空处应用this和that，根据介绍习惯通常是由近及远，所以第一个空用this，第二个空用that。故选B。 3．Hello, Amy! is my cousin Sally and are her mom and dad. A．This, that B．These, that C．This, those D．These, those 【答案】C 【详解】句意：你好，Amy！这是我的堂姐Sally，那些是她的妈妈和爸爸。 考查指示代词用法。由句中is可知，需用指示代词的单数形式this。故第一个空填This；由后半句中are可知，需用指示代词的复数形式，因是远指，故第二个空填that的复数形式those。故选C。 4．__________ are my parents, and __________ is my brother. A．This; this B．These; those C．This; those D．These; that 【答案】D 【详解】句意：这些是我的父母，那是我哥哥。 考查代词辨析。this这个；these这些；those那些；that那个。根据“are”可知主语用复数代词，排除AC；根据“is”可知此处主语用单数代词，排除B。故选D。 5．________ is a book. What is ________? A．This; this B．That; that C．This; that D. That; This 【答案】C 【详解】句意：这是一本书。那是什么？ 考查指示代词。this这个；that那个。根据“is a book”并结合语境可知这里是近指；第二个设空处结合语境，应该是远指，用that。故选C。 6．— I don’t like these shoes. They are too small for me. — Well, how about ________ on the shelf? They might fit you better. A．this B．that C．ones D．those 【答案】D 【详解】考查代词。句意：——我不喜欢这些鞋子。它们对我来说太小了。——那么，货架上的那些怎么样？它们可能更适合你。A. this这个（可指代或修饰单数名词）；B. that那个（可指代或修饰单数名词）；C. ones一些（指代复数名词，表泛指）；D. those那些（指代或修饰复数名词，表特指）。根据“shoes”及“on the shelf”可知，是特指架子上的鞋，特指名词复数，应用“those”指代，相当于“the ones”。故选D。 7．________ boys are in the Class Two. A．This B．Those C．That D．Them 【答案】B 【详解】考查代词辨析。句意：那些男孩在二班。A. This这个，修饰单数名词；B. Those那些，修饰复数名词；C. That那个，修饰单数名词；D. Them他们，人称代词宾格。分析句子可知，“... boys”是句子的主语，且名词“boys”是可数名词的复数形式，因此应使用those来修饰。故选B。 8．The food in my hometown is quite different ______ there. A．from, it B．to, from C．from, that D．from, that one 【答案】C 【详解】考查固定短语。句意：我家乡的食物和那里的很不一样。“be different from”意为“不同于”，这是一个固定短语，此处表示与那儿的食物不同，因此其后用that指代前面提过的不可数名词food。故选C项。 9．He hurt his leg yesterday. ________ why he can’t come to ________ party. A．That’s; tonight B．That’s; tonight’s C．It’s; tonight D．It’s; tonight’s 【答案】B 【详解】考查固定句型及名词所有格。句意：昨天他腿受伤了。这就是为什么他不能参加今晚的聚会。第一空，“That’s...”在这里相当于“That is...”，用来对前面“He hurt his leg yesterday.”这件事进行指代和解释，意思是“那就是……（原因）”；第二空，修饰后面的名词“party”，应用名词所有格，所以是tonight’s。故选B。 10．The days in winter are shorter than ________ in summer. A．that B．those C．this D．these 【答案】B 【详解】考查代词辨析。句意：冬天的白天比夏天短。A. that指代单数可数名词或者不可数名词（同名异物，表特指）；B. those指代复数名词（同名异物，表特指）；C. this这个；D. these这些。根据“The days in winter are shorter than ... in summer.”可知，空处指代“the days in summer”，复数名词，且为同名异物，表特指，故用those。故选B。 11．—Excuse me, _________ Jane speaking? —Yes,_________ . A．are you; I am Jane B．is that; speaking C．are you; speaking D．is that; I am Jane 【答案】B 【详解】考查一般疑问句及电话用语。句意：—打扰一下，是简在说话吗？—是的，我是。根据“... Jane speaking”可知，是在打电话；英语中打电话询问对方身份时常用“Is that ... speaking?”，回答时用“Yes, speaking.”，直接用“speaking”简洁确认身份。故选B。 12．—Hello. Mrs. Sharon’s office. Who’s that speaking? —________ is Danny. A．That B．Who C．Whom D．This 【答案】D 【详解】考查代词辨析。句意：—你好。莎伦办公室。你是谁？我是丹尼尔。A. That那个；B. Who谁；C. Whom谁；D. This这个。根据“Hello. Mrs. Sharon’s office. Who’s that speaking?”可知在打电话，问对方是谁的时候用“Who is that?”表示“你是谁？”，介绍自己是谁用“This is ... speaking.”。故选D。 13．—Hello! ________ Michael. May I speak to Sam? —________. He is coming. A．I’m; Wait a minute B．This’s; All right C．This is; Hold on, please D．I’m; Sorry 【答案】C 【详解】句意：——你好！我是Michael。我可以和Sam通话吗？——请稍等。他马上来。 考查情景交际。I’m我是；Wait a minute等一下；This’s错误表达；All right好，可以；This is这是；Hold on, please请稍等，请别挂断电话；Sorry对不起。结合选项和题干可知，他们正在通话。英语中的打电话用语This is用于打电话时介绍自己，意为“我是……”，This is没有缩写形式。根据“He is coming.”可知，第二空表示请稍等，Hold on, please符合语境。故选C。 14．—Who is that speaking? —________ Mike speaking. A．I’m B．My name is C．That is D．This is 【答案】D 【详解】句意：——您是哪位？——我是迈克。 考查交际用语。I’m我是；My name is我的名字是；That is那是；This is这是。在打电话时介绍自己常用句型This is sb speaking。故选D。 15．—Hello, _______ Mike. Who _______? —Jane speaking. May I speak to Jim? A．I am; are you B．this is; is that C．this is; are you D．I am; is that 【答案】B 【详解】句意：——你好，我是Mike。你是谁？——我是Jane。我可以和Jim通话吗？ 考查打电话的用语。根据“Jane speaking. May I speak to Jim”可知，这是打电话的场景，介绍自己是谁应用This is...；询问对方是谁应说Who is that，故选B。 16．The temperature indoors is quite different from _______ outdoors here in spring. A．it B．one C．this D．that 【答案】D 【详解】考查代词辨析。句意：这里春天室内温度和室外温度大不相同。A. it它，指代同一事物；B. one一个，指代可数名词单数，表同类不同物；C. this这个，表近指； D. that那个，可指代同名不同物的单数名词或不可数名词。句子比较室内和室外的“temperature”，为不可数名词，that可指代同名不同物的不可数名词。故选D。 17．The climate in the north is dryer than ________ in the south. A．it B．that C．this D．what 【答案】B 【详解】考查代词辨析。句意：北方的气候比南方的干燥。A. it它，指代同类同物；B. that那个，特指同类异物（可数名词单数或不可数名词）；C. this这个，表近指；D. what什么，通常作为疑问代词使用，用来询问某事或某物是什么。分析句子可知，句子对比的是海南的天气和昆明的天气，climate是不可数名词，属于同类异物，因此使用that。故选B。 18．The weather in Hainan is much hotter than ________ in Kunming now. A．this B．that C．it D．one 【答案】B 【详解】考查代词辨析。句意：现在海南的天气比昆明热得多。A. this这个，表近指；B. that特指同类异物（可数名词单数或不可数名词）；C. it指代同类同物；D. one泛指同类事物中的任意一个。分析句子可知，句子对比的是海南的天气和昆明的天气（The weather），不可数名词，属于同类异物，因此使用that。故选B。 19．The weather in Hengyang is different from ________ in Beijing. A．one B．that C．it D．/ 【答案】B 【详解】考查代词。句意：衡阳的天气与北京天气不同。A. one指代同类中的一个，代指可数名词单数；B. that代指前面出现的不可数名词或可数名词单数；C. it指代上文提到的同一个事物。分析句子可知，横线上代指weather（不可数名词），且与前文衡阳的天气同类不同物。故选B。 20．I prefer the food in your college to ________ in our college. A．that B．those C．one D．it 【答案】A 【详解】考查代词辨析。句意：比起我们学校的饭菜，我更喜欢你们学校的。A. that那个，指代单数或不可数名词；B. those那些，指代复数名词；C. one一个，指代同类不同物的单数名词；D. it它，指代上文提到的同一事物。这里用that指代前面提到的“the food”，指代同类，以避免重复。故选A。 21．The population of China is much larger than _________ of France. A．it B．this C．that D．those 【答案】C 【详解】考查代词辨析。句意：中国的人口比法国的人口多得多。A. it指代上文提到的同一个事物；B. this指代较近的事物；C. that指代上文提到的同类事物，但不是同一个（不可数名词或单数可数名词）；D. those指代上文提到的同类事物复数名词。这里是中国的人口和法国的人口作比较，“population”在这里是不可数概念，故用“that”指代。故选C。 22．Our products are of better quality than ________ from Spain. A．those B．that C．this D．one 【答案】A 【详解】考查代词辨析。句意：我们的产品质量比那些来自西班牙的（产品）更好。A. those那些（指代复数名词，常用于比较结构中，代替前面提到的同类复数事物 ）；B. that那个（指代单数名词或不可数名词 ）；C. this这个（近指代词 ）；D. one一个（泛指代同类事物中的一个 ） 。根据 “Our products ... from Spain.”可知，此处是指代 products，可数名词复数，即和来自西班牙的产品作比较，需用those指代。故选A。 23．By then there may be only standing room on the earth. ________ will be a very serious problem. A．Where to go B．Where to live C．Where to sitting D．Where to stand 【答案】B 【详解】考查疑问词 + 不定式结构。句意：到那时地球上可能只剩下立足之地了，住在哪里将是一个非常严重的问题。根据“By then there may be only standing room on the earth.”可知，句子强调的是未来空间极度匮乏的状况，后句需要表达由此引发的“非常严重的问题”，应是“生存空间” 相关的困境，“Where to live”符合语境，在句中作主语。故选B。 24．— Your robot has caught a virus and it no longer works properly. — Wow, ________ mess it has made! I really don’t know ________ to do with it. A．what a; how B．how; how C．what a; what D．how; what 【答案】C 【详解】考查感叹句和“疑问词+不定式”结构。句意：——你的机器人感染了病毒，不能正常工作了。——哇，真是一团糟！我真的不知道该拿它怎么办。第一空是感叹句，分析句子结构可知，主语是it，谓语动词是has made，感叹句中心词是单数名词mess，所以用what a；第二空是特殊疑问词+不定式，do with与what搭配。故选C。 25．The volunteer is teaching the old couple how ________ the machine. A．operating B．operate C．to operate D．operates 【答案】C 【详解】考查不定式结构。句意：志愿者正在教老夫妇如何操作机器。分析句子可知，此句中应是“疑问词+不定式结构”作宾语，所以横线上是“to operate”。故选C。 26．I often doubt ________ he says. A．whether to believe what B．whether should I believe what C．if to believe that D．whether to believe that 【答案】A 【详解】考查“疑问词+不定式”结构和宾语从句。句意：我常常怀疑是否应该相信他说的话。根据“doubt”是及物动词可知，其后可接宾语从句，应用陈述句语序（连接词+主语+谓语），排除B项；其后也可接“疑问词+不定式（to do）”结构，表不确定情况，应用“whether/if+to do”；根据“he says”及结合选项可知，says后缺宾语，believe是及物动词，其后应接“what he says”，其中“what” 是关系代词，引导宾语从句，“whether to believe what”符合要求。故选A。 27．— Can you tell me ________? — Sure. Just walk along the street and the bank is on the right. A．which is the bank B．why I need to go to the bank C．how to get to the bank D．who works in the bank 【答案】C 【详解】考查一般疑问句。句意：——你能告诉我去银行怎么走吗？——当然可以。沿着这条街走，银行就在右边。根据“Sure. Just walk along the street and the bank is on the right.”可知，此处是问怎样到达银行，应用疑问副词how来问。故选C。 28．— Could you tell me ________ get to the Xinxin School? — Go down the street, and it’s on your right. A．where is B．how to C．what to D．why to 【答案】B 【详解】考查特殊疑问词+动词不定式的用法。句意：——你能告诉我去新新学校怎么走吗？——沿着这条街走，它就在你的右手边。根据“Go down the street, and it’s on your right.”可知，此处回答了路线指示，因此，上文应是表示询问方式的短语。how to get to意为“如何到达”，符合题意。故选B。 29．Could you tell me ________ the post office? A．where is B．where to find C．how to find D．how find 【答案】C 【详解】考查“疑问词+不定式”作宾语。句意：你能告诉我如何找到邮局吗？分析句子结构及选项可知，此处需要用“疑问词+不定式”作直接宾语，根据句意可知问的是怎么到邮局符合语境。故选C。 30．There are so many toys in the shop ________ that he can’t decide which ________. A．to choose from; choose B．to choose; choose from C．to choose; to choose from D．to choose from; to choose 【答案】D 【详解】考查动词、动词短语和动词不定式。句意：商店里有如此多可供挑选的玩具，以至于他都无法决定该选哪一个。choose选择，后接挑选的对象；choose from从……中挑选，后接挑选的范围。根据“There are so many toys in the shop ...”可知，第一空作后置定语修饰“so many toys” ，强调挑选范围，表示“商店里有很多可以从中挑选的玩具”，应用to choose from；根据“he can’t decide which ...”可知，第二空应用to choose，与“which”构成“疑问词+不定式”结构，作动词“decide”的宾语，且“which”是choose的逻辑宾语，表示“他不能决定选择哪一个（玩具）”。故选D。 31．—Do you know _______ the waste? —Let me see. A．how to do with B．what to do with C．how to deal D．what to deal with 【答案】B 【详解】考查“疑问词+不定式”结构。句意：—你知道怎么处理这些垃圾吗？—让我想想。“处理” 常用“do with”或“deal with”，“do with”常与“what”搭配，“deal with”常与“how”搭配。故“如何处理……”表述为“what to do with… /how to deal with”。故选B。 32．As the second ________ island in China, Hainan Island covers a smaller area than ________ of Taiwan Island. A．large; it B．larger; that C．largest; / D．largest; that 【答案】D 【详解】句意：作为中国的第二大岛屿，海南岛比台湾岛的面积小。 考查形容词最高级及指示代词用法。large大的，原级；larger更大的，形容词比较级；largest最大的，形容词最高级。the+序数词+形容词最高级+名词表示“第几最……的”，第一个空表示作为中国的第二大岛屿，故填largest；又根据“than”可知为比较级，且在比较级的句子中，使用that指代前文出现的可数名词单数或不可数名词，第二空指代前文出现的“area”，需要使用that。故选D。 33．In winter, the weather in the south is usually warmer than ________ in the north. A．this B．it C．one D．that 【答案】D 【详解】句意：冬天，南方的天气通常比北方暖和。 考查代词辨析。this这个；it它；one一个；that那个。此处指代不可数名词weather，在比较结构中用that指代不可数名词。故选D。 34．________ bags over there (那边) are black. A．That B．They C．These D．Those 【答案】D 【详解】句意：那边的那些包是黑色的。 考查代词辨析。That意思是“那；那个”，后面接可数名词单数或不可数名词；They意思是“他们；它们；她们”，后面接可数名词复数；These意思是“这些”，后面接可数名词复数；Those意思是“那些”，后面接可数名词复数。本空后面是复数名词bags，故排除A；根据“over there(那边)”可知应该用those，故选D。 35．—Mom, ________ is my friend, Linda. —Nice to meet you, Linda. A．she B．he C．this D．that 【答案】C 【详解】句意：——妈妈，这是我的朋友，琳达。——很高兴认识你，琳达。 考查代词辨析。she她；he他；this这个；that那个。根据语境可知，此处为说话人向妈妈介绍自己的朋友，介绍人时用句型“This is...”。故选C。 36．—Are ________ his books? —Yes, and ________ is his ruler. A．this; that B．these; that C．this; those D．these; those 【答案】B 【详解】句意：——这些是他的书吗？——是的，那是他的尺子。 考查指示代词。this“这”和that“那”指代单数名词，these“这些”和those“那些”指代复数名词。前一空指代复数名词his books，故用these；后一空指代单数名词his ruler，故用that。故选B。 37．—Cathy, ________ is Linda. —Nice to meet you! A．this B．that C．it D．she 【答案】A 【详解】句意：——凯茜，这是琳达。——很高兴认识你！ 考查代词。this这个；that那个；it它；she她。根据“Nice to meet you!”可知，此处为说话人向对方介绍她的朋友，介绍人时用“This is” 。故答案为A。 38．___________ to start is not important. It’s never too late to start. A．How B．When C．Where D．What 【答案】B 【详解】句意：什么时候开始并不重要。开始永远不会太迟。 考查疑问词辨析。how如何；when什么时候；where哪里；what什么。根据“to start is not important. It’s never too late to start”可知只要开始永远不会太迟，所以什么时候开始不重要。故选B。 39．—Wow, Wendy, it’s cool to make a short video with your mobile phone. —Just with a software called Jianying. Let me show you ________. A．which to use B．how to use it C．what to use D．whether to use it 【答案】B 【详解】句意：——哇，温迪，用你的手机做一个短视频真是太酷了。——只需要一个叫剪映的软件。我来教你怎么用。 考查“疑问词+动词不定式”。根据“Just with a software called Jianying.”可知要教对方如何使用剪映这个软件，用how to use it。故选B。 40．—Have you decided when _______? —Yes, next Monday. A．to leave B．to be leaving C．will you leave D．are you leaving 【答案】A 【详解】句意：——你决定什么时候离开了吗？——是的，下星期一。 考查“疑问词+不定式”结构。此处使用“when+不定式”结构作宾语，故选A。 原创精品资源学科网独家享有版权，侵权必究！ 学科网（北京）股份有限公司 学科网（北京）股份有限公司 $$