试题:
—What caused the accident?
—It was my fault, sir. I _____ to the left.
A.ought not to have turnedB.needn’t have turned
C.shouldn’t turnD.couldn’t turn

答案:

我来补答
A
本题的语意环境为:是我导致了这场事故,我本不该向左拐。ought not have done="shouldn’t" have done本不该做某事;needn’t have done:本来没有必要做某事而做了。故选A。
 
 
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这些题目你会做吗?