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

There’s someone knocking on the door Who _____itbe— Itmust be Mary She promised to be here at 8：00

Which of the following sentence is the Wrong translation for “我突然想起一个好主意”?

You should take exercise in your spare time. — I want to, but the little time I have outside of school is _____with a part-time job.

Not until I went through his paper_________ what rapid progress he had made in writing

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