题目内容
【题目】— What did you do last Sunday?
— I ______my mum clean the house.
A. help B. helped C. have helped D. will help
【答案】B
【解析】句意：——上周日你做什么了？——我帮助妈妈打扫房子。根据last Sunday可知此处用一般过去时，故为helped，故选B。
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题目内容
【题目】— What did you do last Sunday?
— I ______my mum clean the house.
A. help B. helped C. have helped D. will help
【答案】B
【解析】句意：——上周日你做什么了？——我帮助妈妈打扫房子。根据last Sunday可知此处用一般过去时，故为helped，故选B。