问题补充:
It’s important us some good friends.
A. for, having
B. of, to have
C. for, to have
D. of, having
答案:
A. for, having
B. of, to have
(答案→)C. for, to have
D. of, having
解析:句意:对于我们来说拥有一些好朋友是很重要的。It is important for sb to do sth意为“做某事对某人来说是重要的”,为一常用句型;故选C。