31. 1. I writing my homework .
3. Is dad driving his car? No, he isn’t.
Is she looking for her doll?
4. a. Are you listening?
b. Yes, he is.
2. Are she looking for her doll?
I’m writing my homework.
a. Are you listening?
b. Yes, I am.
32. 5. a.What is she doing?
b.Yes, she is.
b. She is riding a bike.
6. a. Are you eating lunch?
b. I’m playing with my ball.
b. No, I’m not. I’m playing
with my ball
7. a. Is she sleeping?
b. yes, she is.