-I sent him a most interesting story book by mail this morning.

--I sent him a most interesting story book by mail this morning.

--You____so; he's coming tomorrow morning.

A.needn't do   B.needn't have done

C.don't need to do   D.didn't need do

weiruotaia 1年前 已收到1个回答 举报

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句意:

--今天早上我用邮件给他发了一个非常有趣的书。

--你不必这么做,明天早上他就来了。

Needn’t have done“过去本没有必要做,而做了”,是虚拟语气,

A. needn't do和 didn't need do都是过去没有必要做,

C.don't need to do 现在没有必要做,

所以选B。

1年前

3
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