根据用括号中所给单词适当形式填空。
小题1:It snows a lot in the ________(north)part of the country ?
小题2:What do you think about the air ________(pollute) in your hometown?
小题3:There is too much ____ ___ (rainy) in that area.
小题4:She seldom drives to work on _______ (fog) days.
小题5:Don’t be so____ ___ (nervously) .All the people here are friendly.