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课时达标自测
Ⅰ.从下面方框中选择适当的情态动词填空(可多次使用)
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have to, don’t have to, ought to, ought not to, needn’t, mustn’t, must
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1.If you earn more than￡5,000,you______pay tax.
2.—Must I turn in the report before five this afternoon?
—Yes, you ______./No, you__________________.
3.You______play now! You shall finish your homework first!
4.The floor is clean. You ______sweep it.
5.You______take care of yourself when I’m away.
6.I’m sorry. I ______have told you this morning.
7.You________________________go on working because you look so tired now.
8.It’s raining. She __________________go swimming alone.
