题目内容
【题目】He ________ the old people do their housework once a week. ( )
A.helpedB.helpsC.help
【答案】B
【解析】
略
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题目内容
【题目】He ________ the old people do their housework once a week. ( )
A.helpedB.helpsC.help
【答案】B
【解析】
略