We hadn’t been out for long _________ she felt sick.A.asB.whileC.afterD.before
题型:不详难度:来源:
We hadn’t been out for long _________ she felt sick.A.as | B.while | C.after | D.before |
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答案
D |
解析
试题分析:as表示原因;while当……时候;时间段+ before,过了多久就……;句意:我们还没出去多久她就生病了。before主要引导时间状语从句,意为“先于”“…之后才”“(不多久)就…”。当主句是将来时时,从句谓语动词须用现在时;当主句是一般过去时或过去完成时时,从句常用过去时。before引导的时间状语从句不能用于否定式。 点评:本题难度适中。判断从句中用哪个连词,需用记住连词的用法,在句中的作用,连词也是高考的热点,需要考生平时多练习。 即学即练:It may be a matter of months _____ it"s ready. A. as B. while C. after D. before 解析:D。句意:要准备好可能得数月时间。 |
举一反三
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