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1、时间状语从句练习1. It was quiet _ those big trucks started coming through the town. A. before B. after C. until D. unless2. It seemed only seconds _ the boy finished washing his face.3. Hardly had he reached the school gate _ the bell rang. A. while B. when C. as D. as soon as4.We were toldthatwe shouldfoll
2、owthe main road _ we reached thecentralrailway station.A. whenever B. until C. while D. wherever5. I recognized you _ I saw you at the airport. A. the moment B. while C. after D. once6. He was about to go to bed _ the doorbell rang. A. while B. as C. before D. when7._I listen to your advice, I get i
3、nto trouble. A. Every time B. When C. While D. Until8. _ John was watching TV, his wife was cooking. A. As B. As soon as C. While D. Till9. The children ran away from the orchard(果园 ) _ they saw the guard.A. the moment B. after C. before D. as10. No sooner had I arrived home _ it began to rain.A. wh
4、en B. while C. as D. than11. Several weeks had gone by _ I realized the painting was missing. A. as B. before C. since D. when12. It _ long before we _ the result of the experiment.A. will not be; will know B. is; will know C. will not be ; know D. is; know13.What was the party like?-Wonderful. It s
5、 years _ I enjoyed myself so much.A. after B. before C. when D. since14. The new secretaryis supposed to reportto the manager as soon as she_.A. will arrive B. arrives C. is going to arrive D. is arriving15. _ got into the room _ the telephone rang.A. He hardly had; then B. Hardly had he; when C. He
6、 had not; then D. Not had he; when16. No sooner had he finished his talk _ he was surrounded by the workers. A. as B. then C. than D. when17. Did you remember to give Mary the money you owed her?-Yes, I gave it to her _ I saw her.A. while B. the moment C. suddenly D. once18. I thought her nice and h
7、onest _ I met her.A. first time B. for the first time C. the first time D. by the first time19. He will have learned English for eight years by the time he _ from the university next year.A. will graduate B. will have graduated C. graduates D. is to graduate20. The moment the 28th Olympic Games _ op
8、en, the whole world cheered. A. declared B. have been declared C. have declared D. were declared答案： CBBBA DACAD BCDBB CBCCD状语从句的省略一般说来省略现象多出现在下列五种状语从句中：由 when ,while,as ,before,after,till, until, once等引导的时间状语从句; 由 whether ,if , unless等引导的条件状语从句; 由 though , although ,even if ,whatever等引导的让步状语从句; 由 as
9、 ,than等引导的比较状语从句; 由 as, as if , as though等引导的方式状语从句。上述状语从句在省略时，并非任何成分都可以省略而是遵循下面原则：(1) 当状语从句的主语与主句的主语一致时，可以省略状语从句的主语和系动词be ，这时从句中可出现如下结构： 连词 (as, as if , once)+名词如： Once (he was)a worker ,Pang Long now becomes a famous singer .庞龙曾经是个工人，现在变成一位著名的歌手。连词 ( though, whether , when)+形容词如： Work hard when (y
10、ou are) young ,or youll regret.趁年轻要努力学习，要不然你会后悔的。连词 (whether, as if ,while )+介词短语如： He looked everywhere as if (he was)in search of something .他到处看似乎在找什么东西。连词 (when , while , though )+现在分词如： While (he was) holdingtalkswithPresidentHu Jintao, US PresidentGeorgeW. Bush thanked China for its important
11、role in the Six-Party Talks.美国总统布什在与胡锦涛主席会谈时，感谢中国在六方会谈中起的重要作用。 连词 (when ,if ,even if ,unless ,once ,until, than , as ) +过去分词如： The exhibition is more interesting than (it was) expected .这次展览比被预料的有趣的多 连词 (as if ,as though ) +不定式如： Olympic gold medallist hurdler Liu Xiang opened his lips as if (he wer
12、e)to speak .奥林匹克金牌获得者跨栏运动员刘翔张开嘴好象要说什么。(2) 当从句的主语是it，谓语动词中又含有系动词be 时 ，可以把 it和系动词be 一起省略。此时构成连词(if, unless,when , whenever)+ 形容词的结构。如：Unless (itis)necessary ,youd better not refer to the dictionary.如果没有必要，你最好不要查字典。各种状语从句的省略现象列举如下：一、时间状语从句中的省略When (she was) very young, she began to learn to play the pi
13、ano.她很小时，就开始学习弹钢琴。While (I was) at college, I began to know him, a strange but able student.我在上大学时就开始认识他，一个奇怪但有能力的学生。When arriving, send me a telegram. (When you arrive, send me a telegram.)到达之后，来个电报。Before leaving, turn off all the lights. (Before you leave, turn off all thelights.)走之前，请关闭所有的灯。Don
14、t come in until (you are) asked to.不叫你请你不要进来。Whenever (it is )possible, you should come and help.不管什么时候只要有可能就来帮忙。You should let us know the result as soon as(it is) possible.你应尽快让我们知道结果。注：as 在引导时间状语从句时，没有这种省略现象。我们不可说As walking,she founda nice shining thing on the ground.二、地点状语从句中的省略地点状语从句的省略常用下列结构：where(ver) possible, where(ver) necessary,L
