— MustIreturnthebookthisweek?—No,you

問題詳情：

 —  Must I return the book this week?

— No, you ____. You can _     it for 20 days.

A. mustn't: keep           B. needn't; borrow   C. needn't; keep        D. mustn't; borrow

【回答】

C

知識點：情態動詞

題型：選擇題