There are so many foggy days these days. We all want to know .
- A.how can we do to prevent it
- B.how we can do to prevent it
- C.what we can do to prevent it
- D.what can we do to prevent it
答案
正确答案:C
知识点:宾语从句

句意:近段雾天比较多,我们想知道如何阻止。Know后面是宾语从句,应用陈述语序,选B或C。How是疑问副词,不能作宾语从句中do的宾语,所以答案选C。

略
