题目内容
3．我经常帮助妈妈收拾房间．I often help my mum totidy up the room．
分析 tidy up
解答 答案：tidy up
通过对比，发现英文句子缺少"收拾"的表达；根据help my mum to…可知此处运用了固定短语help sb to do sth帮助某人做某事，所以其后应该跟动词原形；"收拾"可用固定动词短语tidy up，tidy up the room收拾房间．故填：tidy up
点评 此题考查固定短语的用法．做题时结合关键词确定出动词的正确形式及固定短语是做题的关键所在．
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