Question

【题目】Bob and David are friends. ______ of them works in the art club as volunteers.

A. All B. Both C. Each

Answer 1

【答案】C

【解析】

试题分析：句意：鲍勃和戴维是朋友。他们在艺术俱乐部当志愿者。All全，都；Both两者都，用作主语时谓语动词用复数形式。Each每一，用作主语时谓语动词用第三人称单数形式。所以选C。