It is important( ) A for us to do eye exercise B for us to do eye_英语解答

It is important( ) A for us to do eye exercise B for us to do eye exercise C of us to do exercise D
B for us to do eye exercises

人气：459 ℃　时间：2020-03-16 18:29:59

解答

A与B相同,应该有一个是 for us to do eye exercises,正确答案就是 for us to do eye exercises