-We could have walked to the sation.It was so near.-Yes.A taxi____at all necessary.A .wasn't B.hadn't been C.wouldn't be D.won't be

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-Wecouldhavewalkedtothesation.Itwassonear.-Yes.Ataxi____atallnecessary.A.wasn''tB.hadn''tbeenC.wouldn''

-We could have walked to the sation.It was so near.-Yes.A taxi____at all necessary.A .wasn't B.hadn't been C.wouldn't be D.won't be
-We could have walked to the sation.It was so near.
-Yes.A taxi____at all necessary.
A .wasn't B.hadn't been C.wouldn't be D.won't be

-We could have walked to the sation.It was so near.-Yes.A taxi____at all necessary.A .wasn't B.hadn't been C.wouldn't be D.won't be
选A从第一句我们本该走着去车站,这么近,知道,他们已经打车了!所以过去时

D.won't be

C
希望能够帮到楼主......

第一句话的意思:路那么近,我们本该走到车站的。
could have done本来应该,与过去事实相反,要用could/should/would/might加上have done
第二句话的意思是:根本没有必要叫出租车。
因为的确没有必要,与过去事实没有相反关系,所以选A。