1. B: What is he doing now?
G: He is sweeping the floor.
2. B: Are they doing some washing?
G: No, they are eating.
3. B: What is she doing now?
G: She is cleaning the windows.
4. G: What is he doing now?
B: He is doing his homework.
5. G: Is she in the garden now?
B: Yes, she is. She is watering the flowers now.