“MustIreturnthebookthismorning?”“No,you        .Butyou...

問題詳情：

 “Must I return the book this morning?” “No, you         . But you         to return it before next Monday.”

    A. needn’t, must n’t, can C. mustn’t, may  D. needn’t, need

【回答】

D

知識點：情態動詞

題型：選擇題