Question

【题目】Only ten percent of the students ____ their mother with the housework after school.

A. help B. helps C. helping D. to help

Answer 1

【答案】A

【解析】试题分析：句意：只有百分之十的学生放学后帮他们的妈妈做家务。本题是一般现在时，分数或百分数+名词做主语时，谓语动词的数取决于名词，若名词是复数，则谓语动词用复数形式。故选A。