7. 2)Yes, she is.
3)No, it isn't.
4)Yes, I am.
5)No, they aren't.
6)No, he is not.
8. 2)Are they play with kite?
No, they aren't.
They are playing with ball.
3)Is he drive a car?
Yes, he is.
He is driving a car.
4)Is she pick flowers?
No, she is not.
She is collecting apple from tree.
5)Are they sing?
No, they are not.
They are dancing .
6)Is she cook chicken?
No, she is not.
She is cooking chicken egg.