—LinTao,canIuseyourEnglishdictionary?—Sure.Butyou

問題詳情：

 —Lin Tao, can I use your English dictionary?

—Sure. But you ________ return it before the class.

   A. can                     B. may                         C. must                        D. would

【回答】

C

知識點：情態動詞

題型：選擇題