I had been looking for the book for two days I found it at last.AuntilBwhenCwhil

发布时间:2020-08-17 06:09:35

I had been looking for the book for two days      I found it at last.
Auntil
Bwhen
Cwhile
D. before

网友回答

A. until
B. when
C. while
(答案→)D. before
解析:考查连词:A.  until直到,B.   when当…时候,C.    while当…时候,虽然,然而,D. before在…前面,…才…,因为前面是过去完成式,所以是发生在过去的动作前的动作,句意:在我最后找到它之前,我已经找了这本书两天了。或是:我找了这本书两天才找到。选D。
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