Exercise 5B (a,b)........

Ответ:

a)

2. what's he doing? He is cooking

3. What are they doing? they are watching TV

4. what's he doing? He is playing basketball

5. what's it doing? it is barking

6. what are they doing? They are singing

b)1. am staying

2. are working

3. am sitting

4. are/doing

5.am looking

6.is learning

7. isn't enjoying

8. is making

9. is helping