Choose the right sentences. (Выбери правильные предложения).  

For example:

This is Peter. His car is red = Peter's car is red.

 

1. This is Sam. His book is expensive.

 

Sam's book is expensive.

Sams book is expensive.

 

2. These are my brothers. Their names are Bill and Bob.

 

My brothers' names are Bill and Bob.

My brothers names are Bill and Bob.

 

3. These are sisters. Their computers are modern.

 

Sisters' computers are modern.

Sister's computers are modern.

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