Вставь артикаль a/an там. где нужно.
1.This is _ computer
2.This is_ elephant
3. These are _ desks.
4. Those are _ my toys
5. This is _ his computer
6. That is _ aeroplane
7. This is _ their playroom
8. It's _ very nice!
9. It looks like _ cat
10. Look at _ her tea set