I’m very busy, so I can’t ________ that problem with you for the moment.A.discussB.quarrelC.answerD.explain

第1题

－－Must we finish our homework now? －－No, you ______. You _______ finish it after school.A.needn't , mayB.mustn't , mayC.can't , canD.needn't , must

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第2题

“Must I finish my homework now?” “No, you() . But you() finish it this evening. ”A. mustn’ t…mustB. needn’ t…mustC. can’ t…canD. can’ t…must

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第3题

---Good morning. I've got an appointment with Miss Smith in the PersonnelDepartment.--Ah, good morning. You ____be Mrs. Peters.A. mightB. mustC. wouldD. can

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第4题

-Mayweleavetheclassroomnow?-No,you______.You______toleaveuntilthebellrings.A.mustn’t,areallowedB.don’thaveto,aresupposedC.needn’t,aren’tallowedD.can’t,aren’tsupposed

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第5题

Must we clearn the room before we leave?No, you _______A.mustn'tB.can'tC.needn't

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第6题

－－Your phone number again? I _______ quite catch it.A.don'tB.can'tC.couldn'tD.didn't

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第7题

—_______ I return the book to the library this week?— No, you _______.You can keep it until the end of this month.A.Must; needn’tB.Can; can’tC.May; mustn’tD.Can; mustn’t

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