题目内容
情态动词+have done
(1)He _________(不可能完成)the work so soon.
(2)You _________(本能够)it well, but you were too careless.
(3)You _________(本没有必要)him.
(4)He _________(一定错过了)the train.
答案:
解析:
解析:
|
(1)can't have done (2)could have done (3)needn't have done (4)must have done |
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