---Excuse me!How long may I this book?---For about a week.A. borrowB. lendC. keepD. be kep

问题补充：

---Excuse me!How long may I this book?

---For about a week.

A. borrow

B. lend

C. keep

D. be kept

答案：

A. borrow

B. lend

(答案→)C. keep

D. be kept

解析：borrow借入；lend借出；keep持有。句意：打扰了，我可以持有这本书多久？——大约一个星期。结合语境可知本句描述的是主语I的主动动作，故用主动语态，选C。