Question

【题目】It's very kind _______ you to help me.
A.of
B.for
C.with
D.from

Answer 1

【答案】A
【解析】It's +修饰人的形容词+of sb.+ to dosth.为固定句式，表示“某人做某事是……的”。句意是：你能帮助我们真是太好了。故选A。