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.