Спо языку! заранее ! тут надо вставить a или an там где это нужно. this is _ computer, this is _ elephant, these are _ desks, those are _ my toys, this is _ his computer, that is _ aeroplane, this is _ their playroom, it is _ very nice, it looks like _ cat, look at _ her tea set.

This is a computer
This is an elephant
These are desks
Those are my toys
This is his computer
That is an aeroplane
This is their playroom
It is very nice
It looks like a cat
Look at her tea set

A computer, an elephant, - ,-, - ,an aeroplane, - , - , a cat , - .