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-I wonder if I smoke here. -No, you .Couldn't you see the sign “NO SMOKING on th

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-I wonder if I smoke here. -No, you .Couldn't you see the sign “NO SMOKING on th

-I wonder if I ________ smoke here.

-No, you ________.Couldn't you see the sign “NO SMOKING” on the wall?

[]

A.can; needn't

B.may; mustn't

C.must; can't

D.shall; won't

试题答案

答案:B