The room is in a terrible mess,it ___ cleane;

The room is in a terrible mess,it ___ cleane;
a、can’t have been
b、shouldn’t have been
c、mustn’t have been
d、wouldn’t have been
刘小新 1年前 已收到1个回答 举报

Ψ自在天Ψ 春芽

共回答了17个问题采纳率:88.2% 举报

这个应该是虚拟语气吧,不可能已经干净了,应该是D,过去式表虚拟

1年前

6
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