问题
选择题
It’s very kind__________you to help me with my English.
一Not at a11.I think it is important____________us to help each other.
A.of,of
B.for,of
C.of,for
D.for,for
答案
答案:C
for 有为了……的意思,多表示目的对象等。of ……的,多用来说明后接词语的性质属性等关系。根据题意,它对我们来说很重要,选C。