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問題詳情:

 Ahard-workingman

 A hard-working man _____ become a great scientist, but a great scientist _____ be a hard-working

man.

   A. can’t, can          B. may not, can      ’t, must     D. may not, must

【回答】

D

知識點:情態動詞

題型:選擇題

標籤:workingman ahard