It is good __us to do some physical exercise every dayA.of B.for

来源:学生作业帮助网 编辑:作业帮 时间:2024/05/06 06:21:02
It is good __us to do some physical exercise every dayA.of B.for

It is good __us to do some physical exercise every dayA.of B.for
It is good __us to do some physical exercise every day
A.of B.for

It is good __us to do some physical exercise every dayA.of B.for
It is good _B.for_us to do some physical exercise every day

for

你好。

答案是FOR,因为强调的是一般现象,一种规律。

如果是个别现象或者个别情况,我们就用of :
It was very good OF Mary to help a granny to cross the street.