问题

Catherine, I have cleaned the room for you. — Thanks. You _____ it. I could manage it myself. [ ]

A: needn't do
B: needn't have done
C: mustn't do
D: shouldn't have done

正确答案是：

同类题型

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一We’re happy to see that our local government has the open space a public library.一Me, too. We can do some reading there.

k, though I could be mistaken, ______she liked me

aywas popular and every time about it,he owed his success to the support of his friends.[:]

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