Question

【题目】He and his wife ______teachers and often help to teach poor children in villages.

A. are both B. both are C. are all D. all are

Answer 1

【答案】A

【解析】

句意：他和妻子都是老师，经常帮助教一些村子里的贫困儿童。both两者都，all三者或三者以上都，主语He and his wife是指两个人，可排除C,D；不定代词both放在行为动词之间，be动词、助动词、情态动词之后，故答案选A。