22. My computer_______________(not work) well for a week. It needs_____________(repair).

21.When I ________________(arrive) at 7:00 yesterday, one of the students _______________(draw) something on the blackboard.

20. English________________(speak) all over the world.

19. ________________(know) comes from practice.

18. I’m not used to ________________(go) out on rainy days.

17. Don’t let the baby_______________(cry) for a long time.

16. I must leave. Someone_________________(wait) for me outside.

15. He’s busy these days, he has no time_________________(play) with you.

14. They know how _________________(perform) eye_______________(operate).

13. Look, the rain __________________(stop). Let’s go out.