题目内容：

【选择题】The mass media keep us well（ ）of what is happening in the world which would..
The mass media keep us well（ ）of what is happening in the world which would otherwise remain unknown.
A.concerned
B.exposed
C.acquainted
D.informed
该选哪个呢?各项分析一下吧.

优质解答

选D .题目 中有of keep sb well informed of 使我们了解.其他三个选项的词都不和 of 搭配.只有 inform sb of sth 通知某人某事concern 关心,担忧 搭配介词 aboutexpose 暴露 搭配介词 toacquaint 使熟悉,使认识 搭配...

追问：

谢谢~ 那concern with可以吗？有什么区别吗？

追答：

concern oneself with 也是有的 使某人关心