Question

Must I return the book this week? No, you______. You can ______ it for 20 days. A．must...

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

Answer 1

C

以must开头的一般疑问句的否定性回答要用needn’t或don’t have to。在表示借某件东西多久时要用keep。因为borrow是非延续性动词，不能跟段时间状语连用。