Question

【题目】—Why did you go to the bookstore?

—______ for my son.

A. Buy a bookB. To buy a bookC. Buying a bookD. Buys a book

Answer 1

【答案】B

【解析】

句意：——你为什么去书店？——为了给我的儿子买一本书。根据Why did you go to the bookstore?可知，此处回答目的，故用动词不定式to buy a book。故选B。