【文库独家】牛津九上 Unit4 语法小练. 根据句子意思，选用before, when, while, since或 until 填空。1. I was about to take a shower in the bathroom I heard my mobile phone ringing. 2. Have you known the football star for a long time? Yes. I was only seven years old. 3. Did you realize your money was missing on the bus? No, not I was going to pay for the shoes in the shop. 4. At eight last night, my mother was watching TV my father was reading a magazine. 5. Did you have a good time during your last trip to Beijing? Yes. It was time for us to leave there we knew it. . 根据句意，用所给动词的正确形式填空。1. Before (go) out for a trip, you should make sure you take a map with you. 2. Before crossing the street, we must wait till the traffic lights (turn) green. 3. Don t leave the room until you (tell) to. 4. It won t be long before our dream (come) true, if we all try our best. 5. Did you go to bed early last night? No. I didn t go to bed until the football match (be) over. 6. You can play computer games only when your homework (finish). 7. John is a true friend. Whenever he (need), he will give a helping hand. 8. We will go to the cinema as soon as my father (return) home. 9. Edward (make) great progress since last year. 10. He has started to become fat since he (stop) taking exercise. . 单项选择( ) 1. How long did you stay with your friend John in the cafe last night? 10:30 p.m. A. At B. Since C. Until D. Whenever ( ) 2. Did you talk with your favourite singer after the concert? No. He got on the coach I could get in a word. A. while B. after C. until D. before ( ) 3. While I along the street, a running boy into me from behind. A. was walking; knocked B. walked; was knocking C. was walking; was knocking D. walked; knocked ( ) 4. Disney was drawing a picture at home a little mouse jumped onto the desk. A. while B. when C. before D. after ( ) 5. Uncle Wang on the farm when I met him a few weeks ago. A. is working B. has worked C. was working D. works ( ) 6. My brother interested in English since the end of last term. A. had become B. became C. was D. has been ( ) 7. How long shall we stay indoors? the rain stops. A. Before B. While C. When D. Till ( ) 8. Can you come and see me in Nanjing? OK. I will leave for Nanjing the summer holiday . A. whenever; starts B. as soon as; starts C. whenever; will start D. as soon as; will start ( ) 9. The young man saw his girl friend off at the railway station and he her through the window until the train disappeared in the distance. A. saw B. watched C. noticed D. found ( )10. We must fight pollution so that it won t destroy (破坏 ) our good life. A. against B. for C. to D. about Key：. 1. when 2. Since 3. until 4. while 5. before . 1. going 2. turn 3. are told 4. comes 5. was 6. is finished 7. is needed 8. returns 9. has made 10. stopped . 1-5 CDABC 6-10 DDBBA