— How long can I the book?—For two weeks.A. keepB. borrowC. lendD. buy

问题补充：

— How long can I the book?—For two weeks.

A. keep

B. borrow

C. lend

D. buy

答案：

(答案→)A. keep

B. borrow

C. lend

D. buy

解析： 句意为这本书我能保存多久？ 三周。keep保存，为延续性动词所以选A 。 B, C ,D 不符合语境可排除。