He must have studied English last night,___he?

He must have studied English last night,___he?
A.don't
B.haven't
C.hasn't
D.didn't

诸葛星 1年前已收到4个回答举报

共回答了17个问题采纳率：94.1% 举报

选D.
首先A、B选项可以直接排除（A因为不符合时态,B因为主语为第三人称单数形式）,主句中有表示过去的时间状语last night,所以选择D.楼下说得很对,本句的确是表示对过去的推测,但不是因为有时间状语,而是因为must have.也就是说,如果没有last night 就应该选C了.

1年前

fish_jjj 幼苗

共回答了32个问题举报

1年前

kk明月雪幼苗

共回答了125个问题举报

D.didn't
这句一定要注意，出现过去时间词，表示对于过去事情的猜测，一定要用过去时。

1年前

丝丝兔幼苗

共回答了32个问题举报

d
last night 已经表明是过去了，问的是过去，所以用DIDN'T

1年前

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