It's____(think) of Jack to play CDs for us.

问题描述:

It's____(think) of Jack to play CDs for us.

thought
be thought of是固定搭配.

thought
it is thought此处作被广泛认为的意思

thoughtful 考虑周到的,体贴的
句子意思是:杰克为我们播放CD,他考虑真周到.