Unit 12 Section A Grammar Focus同步练习- 2025-2026学年人教版（2012）英语九年级全册

Unit 12 Life is full of the unexpected. Section A (Grammar Focus)   一、用单词的正确形式填空。 1. By the time I got to school, I realized that I __________ (leave) my backpack at home. 2. By the time I got back to school, the bell __________ (ring). 3. Before I got to the bus stop, the bus __________ already __________ (leave). 4. When he put the noodles into a bowl, he realized he __________ (forget) to add the green beans. 5. By the time my mother came back from the market, I __________ already __________ (go) out of the door. 二、根据首字母或句意提示写出单词。 1. By the time I got to school, I r__________ that I had left my backpack at home. 2. Before I got to the bus stop, the bus had already l__________. 3. I was about to go up to my o__________ when I decided to get a coffee first. 4. As I was waiting in l__________, I heard a loud sound. 5. When she got to the movie t__________, she remembered she had forgotten to feed her dog. 三、单项选择。 ( ) 1. When I got to school, I realized that I ______ my backpack at home. A. left  B. had left  C. have left ( ) 2. By the time I got back to school, the bell ______. A. rang  B. had rung  C. has rung ( ) 3. Before I got to the bus stop, the bus ______ already left. A. has  B. have  C. had ( ) 4. I was about ______ go up to my office when I decided to get a coffee first. A. to  B. for  C. in ( ) 5. As I ______ waiting in line, I heard a loud sound. A. is  B. was  C. am ( ) 6. By the time Mary got up, Tim ______ already ______ into the bathroom. A. had; gone  B. has; gone  C. have; gone ( ) 7. Before she got to the airport, she ______ about the earthquake. A. hears  B. had heard  C. has heard ( ) 8. When she ______ the movie theater, she remembered she had forgotten to feed her dog. A. get to  B. got to  C. had got to ( ) 9. By the time I arrived at the party, everyone else ______ already ______. A. had; left  B. has; left  C. have; left ( ) 10. Before she got a chance to say goodbye, he ______ the building. A. leave  B. had left  C. has left 四、选词填空（从方框中选择合适的词填空，每词限用一次）。 had left had rung had forgotten had gone had heard 1. By the time I got to school, I realized I __________ my backpack at home. 2. By the time I got back to school, the bell __________. 3. When he put the noodles into a bowl, he realized he __________ to add the green beans. 4. By the time my mother came back from the market, I __________ already out of the door. 5. Before she got to the airport, she __________ about the earthquake. 五、根据汉语意思完成句子。 1. 当我到学校时，我意识到我把背包忘在家里了。 When I __________ to school, I realized that I __________ left my backpack at home. 2. 到我回到学校时，铃已经响了。 By the time I __________ back to school, the bell __________ rung. 3. 在我到达公交车站之前，公共汽车已经离开了。 __________ I got to the bus stop, the bus had already __________. 4. 我正要上楼去办公室，这时我决定先买杯咖啡。 I was about to __________ up to my office when I decided to __________ a coffee first. 5. 当她在排队等候时，她听到了一声巨响。 __________ she was waiting in line, she __________ a loud sound. 六、补全对话。 根据对话内容，从方框中选择恰当的句子补全对话，其中有一项多余。 A: You look upset. What happened? B: 1.__________ A: Oh no! So you were late for class? B: Yes. By the time I got to school, the bell had already rung. A: 2.__________ B: I had left my backpack at home. A: 3.__________ B: I had to go back home to get it. A: 4.__________ B: By the time I got back to school, it was already 9 o'clock. A: 5.__________ B: He was a little angry but understood. A. What did the teacher say? B. I overslept this morning. C. What happened then? D. That's too bad. E. I forgot my homework. F. What did you realize when you got to school? 七、语法填空。 阅读下面短文，在空白处填入一个适当的词，或使用括号内所给单词的正确形式填空。 Yesterday was a bad day for me. When I 1.__________ (wake) up, I realized that my alarm clock 2.__________ (not go) off. I looked at the clock and saw that it was already 8:00 a.m. By the time I got up, my brother 3.__________ already __________ (take) a shower. I had to wait for him 4.__________ (finish). After I took a quick shower, I rushed out of the door. I didn't even have time 5.__________ (eat) breakfast. When I got to the bus stop, I realized that the bus 6.__________ already __________ (leave). I had to walk to school. By the time I got to school, the bell 7.__________ (ring). I was late again. When I walked into the classroom, the teacher asked why I was late. I explained what 8.__________ (happen). Then I opened my backpack to get my homework. To my surprise, I found that I 9.__________ (leave) my homework at home. What a terrible morning! I learned that I 10.__________ (should) check everything the night before. 八、阅读理解。 阅读下面短文，从每题所给的A、B、C三个选项中选出最佳选项。 Yesterday was a very busy day for me. I had to do many things. In the morning, I went to school. By the time I got to school, I realized I had left my math homework at home. I called my mother and asked her to bring it to school. By the time she arrived, the teacher had already collected the homework. I was lucky that my teacher allowed me to hand it in late. After school, I went to my language course. By the time I got home from the course, my mother had already finished making apple pie. I was so happy because apple pie is my favorite dessert. In the evening, I planned to go to the cinema with my friend. By the time I arrived at the cinema, the movie had already started. We missed the first ten minutes. But we still enjoyed the movie. Before I went to bed, I made a list of things I needed to do the next day. I didn't want to forget anything again. ( ) 1. What did the writer realize when he got to school? A. He had left his backpack at home. B. He had left his math homework at home. C. He had forgotten his lunch. ( ) 2. Who brought the homework to school? A. The writer's father.  B. The writer's mother.  C. The writer's friend. ( ) 3. What had the teacher done by the time the writer's mother arrived? A. The teacher had left the classroom. B. The teacher had collected the homework. C. The teacher had started the class. ( ) 4. What had the writer's mother finished making when he got home? A. Apple pie.  B. Dinner.  C. Cake. ( ) 5. Why did the writer miss the first ten minutes of the movie? A. Because he arrived late. B. Because the movie started early. C. Because he went to the wrong cinema. 参考答案 一、单词正确形式填空 1. had left 2. had rung 3. had, left 4. had forgotten 5. had, gone 二、首字母或句意提示 1. realized 2. left 3. office 4. line 5. theater 三、单项选择 1. B 2. B 3. C 4. A 5. B 6. A 7. B 8. B 9. A 10. B 四、选词填空 1. had left 2. had rung 3. had forgotten 4. had gone 5. had heard 五、完成句子 1. got, had 2. got, had 3. Before, left 4. go, get 5. As, heard 六、补全对话 1. B 2. F 3. C 4. D 5. A 七、语法填空 1. woke 2. hadn't gone 3. had, taken 4. to finish 5. to eat 6. had, left 7. had rung 8. happened 9. had left 10. should 八、阅读理解 1. B 2. B 3. B 4. A 5. A 学科网（北京）股份有限公司 学科网（北京）股份有限公司 学科网（北京）股份有限公司 学科网（北京）股份有限公司 $