题目内容
--Is that Anna's car?
--It____be hers. She has just gone to the theater for the new opera.
A.can't B.mustn't
C.may D.could
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题目内容
--Is that Anna's car?
--It____be hers. She has just gone to the theater for the new opera.
A.can't B.mustn't
C.may D.could