用所给单词的适当形式填空
Our teachers are all very _____________ (friend) to us students.
A cat has four _______________ (foot).
What about going ______________ (swim) this afternoon?
My brother and my uncle are ______________ (policeman).
It is quite _______________ (comfort) to take the train.
What an _______________ (interest) film it is!
How many _______________ (child) stand in front of the class?
There will be a heavy __________ (snowy) next week.