题目内容：

根据用括号中所给单词适当形式填空。

1.It snows a lot in the ________(north)part of the country ?

2.What do you think about the air ________（pollute） in your hometown?

3.There is too much ____    ___ (rainy) in that area.

4.She seldom drives to work on _______ (fog) days.

5.Don’t be so____    ___ (nervously) .All the people here are friendly.