He was just falling asleep _____ there was a loud knock on the door.A.whileB.whe

He was just falling asleep _____ there was a loud knock on the door.A.whileB.whe

题型:不详难度:来源:
He was just falling asleep _____ there was a loud knock on the door.
A.whileB.whenC.thenD.until

答案
B
解析

试题分析:句意:在他刚刚睡着的时候,有人在大声地敲门。be doing sth …when …正在做某事的时候,突然…,固定句型,此处的when表示“突然”,故选B
点评:连词在中考中涉及到的很多,尤其在宾语从句、状语从句、定语从句中连词是必考点。平时学习过程中,掌握连词的意思,及所表示的关系是至关重要的,这种关系的判断可以通过句子意思的理解来选择恰到的连词。while表示当…时候,强调两个动作同时进行,多用于进行时态中,只与延续性的动词连用,then然后,until表示直到...,常与not连用。
举一反三
—Every day, my mother tries to spare some time to chat with me,        she  is very tired after a whole day’s hard work.
—You are lucky to have such a great mum!
A.unlessB.whetherC.althoughD.until

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I will never forget the terrible accident _______ it happened so long ago.
A.even thoughB.only ifC.only whenD.ever since

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—How about joining us in the summer camp?
—I wish I could, ___________ I have to practice for the piano test.
A.becauseB.soC.butD.although

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—I hope to make decisions by myself. 
—OK. But remember _____________ you do, you should think about the results.   
A.Whenever B.However C.Whatever D.Wherever

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_______ Mr. Smith is not rich, ________he always gives money to the poor.
A. Although ; /B.Although ; butC.But ; althoughD. Because; /

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