介词后面加句子吗~

题目

介词后面加句子吗~
The WHO is dedicating World Health Day to healthy environments for children,to call attention to what it says are these needless,preventable deaths.
后半句,call attention to 的 to 后面的 what it says are these needless,preventable deaths 是个句子哇,怎么理解呢.

答案

1.介词后面当然可以加句子了,该句被称为宾语从句,并和介词一起构成我们非常熟悉的介宾结构.2.比如：1) I'm good at what you aren't good at.我擅长于你不擅长的东西.2) The house is nice except that its door is ...