修改病句：He goes swimming one time a week.

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He goes swimming once a week
每周一次要用 once a week
两次是 twice
三次以上才是用times
======以下答案可供参考======
供参考答案1:
He goes swimming once a week.
供参考答案2:
He goes swimming once a week。
供参考答案3:
He goes swimming every week.