Study well!

I.

1. was waiting - arrived

2. were - doing - was practising

3. to win

4. won't come - are

5. see - will give

6. rang - was watching

7. not to go

8. to study

9. sitting

10. traveling

11. written

12. were studying - phoned

13. is - is visited

14. has been

15. haven't seen

16. has already finished

17. Have - learnt - moved

18. has't bought - sold

19. to go - is preparing - will leave

20. haven't had - feel

21. to avoid - meeting

22. to go

23. raining- to work

24. to get

25. carried

26. ask

27. posting

28. has just built

29. be kept

30. was your printer repaired

II.

1. Lan is studying hard in order not to fail in the exam.