Question

It is very kind _____ you to help me with my work because it is very difficult _____me to do it by myself.

A．of； for

B．of； of

C．for；of

D．for； for

Answer 1

A

试题分析：根据语境可知此题考查的是重点句型结构中介词的固定用法。It is kind of sb to do sth表示某人做某事真好；it is +形容词+for sb to do sth表示对某人来说做某事怎样，故选A。
点评：介词一直是各类考试中必考的内容，尤其是在固定结构中介词或副词的考查又是重点。因此在平常的学习过程中要重点记忆，不要混淆。