How long may I the story books?A. borrowB. lendC. buyD. keep

问题补充：

How long may I the story books?

A. borrow

B. lend

C. buy

D. keep

答案：

A. borrow

B. lend

C. buy

(答案→)D. keep

解析：borrow借入；lend借出；buy买入；keep持有。句意：这本故事书我可以拿多少天？故选D。