英语选择题：My brother often helps my mum ____ the house on sunday.
问题描述：
英语选择题：My brother often helps my mum ____ the house on sunday.
My brother often helps my mum ____ the house on sunday.
A. cleansB. to clean
C. cleaning D. with cleaning
顺便讲下语法
答
B
help sb to do sth 帮助某人须知某事（ TO 可省略）
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