题目内容

He often helps his mother _______ the housework.

[  ]

Ato do

Bdoing

Cdoes

Dto does

答案:A
解析:

help sb. do sth./help sb. to do sth.表示帮助某人干某事。题意为“他经常帮他妈妈干家务活”。故选A


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