All____done now A.have B.has C.has been D.have been 这题应该选哪个?

All____done now A.have B.has C.has been D.have been 这题应该选哪个?为什么?

zhxq1968 1年前已收到3个回答举报

黑子20 幼苗

共回答了20个问题采纳率：90% 举报

C
all“一切的事、所有的事”作单数概念,因此谓语用has,另外事情是被做完的,要用被动语态,has been done 即被动语态的现在完成时

1年前

jiaxianglee 幼苗

共回答了833个问题举报

选C，第一，此题是被动之意，故排除AB。 all代替可数名词复数，动词用复数；代替不可数名词，动词用单数。此题中，all表示所有的（事务）都被完成了，指抽象的事务，工作，故用单数谓语动词。

1年前

风雨同归人33 幼苗

共回答了159个问题举报

C
all表示一切，全部的总体概念，用单数

1年前

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