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I have beent to Beijing for three times.I have been to Shanghai for once.两局中的for可不可以省略

分类: 作业答案 • 2021-12-02 11:07:53

问题描述：

I have beent to Beijing for three times.I have been to Shanghai for once.两局中的for可不可以省略

答

可以省略.如果后面跟的是一段时间才不可省略.次数是不需要用for的