根据用括号中所给单词适当形式填空。
It snows a lot in the ________(north)part of the country ?
What do you think about the air ________（pollute） in your hometown?
There is too much ____   ___ (rainy) in that area.
She seldom drives to work on _______ (fog) days.
Don’t be so____   ___ (nervously) .All the people here are friendly.