Question

【题目】The twins fond of doing volunteering work in their community.

A. amB. isC. areD. be

Answer 1

【答案】C

【解析】

句意：这对双胞胎喜欢在他们的社区做义工。

考查be动词。短语be fond of：喜欢做某事；本句主语The twins是复数，可知be动词使用复数are；故选C。