—_ may I_ the book?
— For three weeks.

A．[ A ] How often; borrow

B．[ B ] How often; keep

C．[ C ] How long; borrow

D．[ D ] How long; keep

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参考答案

本题考查疑问副词搭配和动词辨析。how often提问频率，多长时间一次；how long提问时间或距离长度；borrow为非延续性动词，keep是延续性动词。根据答语for three weeks可知
选D。

1 Good-bye, Mr.Smith. I'm very pleased______.

A．[ A ] to meet you

B．[ B ] to have met you

C．[ C ] meeting

D．[ D ] having met you

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2 If you want _______, you should speak slowly and clearly to the listeners.

A．[ A ] to be understood

B．[ B ] to understand it

C．[ C ] understanding

D．[ D ] to understood

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3 _________his address, I can't send this book to him.

A．[ A ]Not knowing

B．[ B ] Knowing

C．[ C ] Not know

D．[ D ] Not known

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