Ex2.
1. Is the sun shining?- Yes, it is.
2. What is Mary doing now?- She's watching TV in her room.
3. Is her father reading a newspaper?- Yes, he is.
4. What is her mother doing?- She's cooking in the kitchen.
5. What is her dog doing?- It's playing with a cat in the garden.
6. Does Mary love her dog?- Ues, she does.
Ex3.
1. is speaking
2. is coming
3. is shining/ is singing
4. goes
5. doesn't eat
6. is Oanh doing/ is cooking/ cooks
7. plays
8. are building
9. has
10. washes
11. are hurrying
12. catches
13. is waiting
14. smiles/ comes
15. Is...using/ uses
16. misses
17. watches/ is writing
18. Are they having/ are sleeping
19. relaxes
20. is having