He have fallen asleep last night because he didn’t hear the phone call.A. mayB. shouldC.

发布时间:2020-08-17 01:08:13

He      have fallen asleep last night because he didn’t hear the phone call.
A. may
B. should
C. can
D. must

网友回答

A. may
B. should
C. can
(答案→)D. must
解析:考查情态动词表示推测。对现在情况表示推测使用“情态动词+动词原形”;对过去情况进行推测,使用“情态动词+have done”;本题根据didn’t hear…说明是对过去情况的推测。Must have done一定做了;may have done也许做了某事;should have done本应该做某事(实际上却未做)(表示虚拟语气);句意:他昨天晚上一定睡着了,因为他没有听见电话铃声。故D正确。
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