---- Who it be that hasn’t handed in his homework? ---- It be Bob. He handed it in yesterday. A. can;mustn’t B. must; can C. can;can’t D. may;must 查看更多

 

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 ---- Who ________it be that hasn’t handed in his homework?

   ---- It ______ be Bob.He handed it in yesterday.

     A.can;mustn’t       B.must; can         C.can;can’t          D.may;must

 

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