Ответ:

1) A car

A computer

The computer

2) A friends

a cat

a dog

the dog

the cat

3) A tree

The tree

4) A boys

The boys

5) A bicycle

the bicycle

A friend

the bicycle

6) A room

7) A dictation

the dictation

8) A daughters

A son

The son

A pupil

9)A mother

The bracelet

A birthday

10) A brother's

A friend

A dog

11) A pencil

The pencil

12) A ball

The ball

A big

13) A latter

A friend

The latter

14) A hotel

The hotel

A restaurant

вроде всё правильно;)