---IwanttoknowifI

問題詳情：

---I want to know if I _______ smoke here．

---No, you _______． Could you see the sign “NO SMOKING” there?

A．can; needn’t                        B．must; can’t

C．shall; won’t                         D．may; mustn’t

【回答】

D

知識點：情態動詞

題型：選擇題