Раскрой скобки, употребляя глаголы в Present Continuous

1.The boys (to run) about in the garden.

2. I (to do) my homework.

3. John and his friends (to go) to the library.

4. Ann (to sit) at her desk.

5. She (to study) geography.

6. The old man (to walk) about the room.

7.The dog (to sit) on the floor.

8. Who (to lie) on the sofa?

9.What they (to talk) about?

10. It still (to rain).

11. She still (to sing).

12 They (to work).

13. We (to cook) dinner.

14. My mother (to make) a salad.