Question

【题目】My brother spends 100 yuan ______ this sweater.

A. to buy B. buying C. on buy D. buy

Answer 1

【答案】B

【解析】句意：我哥哥买这件毛衣花了100元。句型spend time/money (in) doing sth.为固定搭配，意为“花费时间/金钱做某事”，所以buy应用buying，故答案选B。