29.一Can you come to have dinner with me this evening? 一I′m afraid not.I take care of my grandmother.She is ill. A.cant B.have to C.may D.could 查看更多

 

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一Can you come to have dinner with me this evening?

一I′m afraid not.I_____take care of my grandmother.She is ill.

A.cant       B.have to      C.may      D.could

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