情态动词问题：----We didn't see him at the lecture yesterday.----He ____ it.A.mustn't attend
1.----We didn't see him at the lecture yesterday.
----He ____ it.
A.mustn't attend B.cannot have attended C.would have not attended D.needn't have attended
2.You ____ your lessons yesterday,but you didn't.
A.had gone over B.should have gone over C.should go over D.would go over
人气：120 ℃ 时间：2019-08-22 06:31:03
解答
选B cannot have done sth 对过去推测：过去不可能做某事
A mustn't do 只有不准的意思 C D would/need 句意不对
选B should have done sth 本应做某事
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