---Couldyoutellmehowlong______thebook?   ---Threedays. ...

问题详情：

---Could you tell me how long ______ the book?

    ---Three days.

    A. I can keep        B. can I borrow     

    C. I can borrow      D. can I keep

【回答】

A

知识点：宾语从句

题型：完成句子