The smoggy weather has made us realize terrible problems we are faced with.A. how B. wha

问题补充：

The smoggy weather has made us realize terrible problems we are faced with.

A. how

B. what

C. that

D. which

答案：

A. how

(答案→)B. what

C. that

D. which

解析：选B考查感叹句。句意：雾霾天气让我们认识到我们面临的是多么严重的问题。terrible修饰句子的中心词problems，故用what。