题目内容
(2005·福建)
--- 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
答案:B
解析:
解析:
|
needn't do"不必做";needn't have done"本不必做某事 (实际上已经做了) ";mustn't do"不准做",表禁止、命令;shouldn't have done"本不应该做 (实际上已经做了)"。 |
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