Единственное и множественное число существительных, образованные по правилу и исключения

Задание 1

John has got three pet _____ .

There are _____ in the kitchen.

The shop was empty. There was nothing on the _____ .

You should brush your _____ every day.

The ____ and forks are on the table.

You should comb your _____ every morning.

How many _____ have you got?

I can’t see without my _____ .

Children shouldn’t play with _____ .

_____ can do the same jobs as men.

There are lots of _____ in the field.

I’ve walked ten kilometres. My _____ hurt.