1 is having

2 . What does your sister do?

3 . Where do you come from?

4 doesn't play

5 don't watch TV

6 is singing

7 . How often do you surf the net?

8 am not listening to it

9 doesn't usually drive,walks

10 is signing the contract

11 . Are you having lunch now?

12. Where are they working today?

13. . Why does the secretary take notes at the meeting?

14 don't have dinner ,have some fruit

15 . Does he speak any foreign languages?

16 go to the cinema

17 . What is he doing now?

18 is having a meeting

19 is driving to work

20 am writing the report