Условие задания:

3 Б.
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.
 
 
2. These are students. Their dictionaries are good.
 
 
3. These are the pupils. Their school is big.