It's very clever ( ) him to say so.

问题描述:

It's very clever ( ) him to say so.
选词填空(by for to of with be from about)

It's very clever (of ) him to say so.
在表示形容人的品质的形容词后介词要用of
类似的形容词有:kind(好心的),mean(吝啬的),generous(慷慨的),cold(冷酷的),cuel(残忍的),等