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题型：单选题题类：常考题难易度：普通

山西省大同市第一中学2017-2018学年高一下学期英语3月月考试卷

—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

举一反三

When the police raided the illegal casino, no one was there. Someone must {#blank#}1{#/blank#}（leak）the information.

—It's already 11 o'clock, and he ______ have been here half an hour ago.

—Maybe he got caught in the rain.

John _______the flight; he arrived at the airport at least two hours early.

The room is so clean. He ________ have cleaned it yesterday evening.

Paul did a great job in the speech contest. He many times last week.

I didn't hear the phone. I {#blank#}1{#/blank#} have been asleep.（填写适当的情态动词）

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