7.--- May I go swimming now?--- No,you ______.You must finish your homework first.A.mustn’t B.may not C.couldn’t D.needn’t [1298]8.--- Excuse me.Where is the zoo?--- Sorry,I don’t know.Ask that policeman.He _____ know.A.shall B.may C.need D.w

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7.--- May I go swimming now?--- No,you ______.You must finish your homework first.A.mustn’t B.may not C.couldn’t D.needn’t [1298]8.--- Excuse me.Where is the zoo?--- Sorry,I don’t know.Ask that policeman.He _____ know.A.shall B.may C.need D.w

7.--- May I go swimming now?--- No,you ______.You must finish your homework first.A.mustn’t B.may not C.couldn’t D.needn’t [1298]8.--- Excuse me.Where is the zoo?--- Sorry,I don’t know.Ask that policeman.He _____ know.A.shall B.may C.need D.w
7.--- May I go swimming now?
--- No,you ______.You must finish your homework first.
A.mustn’t B.may not C.couldn’t D.needn’t [1298]
8.--- Excuse me.Where is the zoo?
--- Sorry,I don’t know.Ask that policeman.He _____ know.
A.shall B.may C.need D.would [1299]
但是mustn't不是禁的意思吗?

7.--- May I go swimming now?--- No,you ______.You must finish your homework first.A.mustn’t B.may not C.couldn’t D.needn’t [1298]8.--- Excuse me.Where is the zoo?--- Sorry,I don’t know.Ask that policeman.He _____ know.A.shall B.may C.need D.w
7.A mustn"t or can"t
8 B may 表示推测 可能的意思

C B 好久没做题了......
mustn't 貌似我考试从来没选过 真的
它确实有禁的意思 不可以的意思 但是....很少很少用的----个人意见啊

1. C 2. B