Exercises at pages 72-73

1)    Haven’t seen; for; have you been

2)    I’ve been for 

3)    Did you do

4)    Worked

5)    Did you arrive

6)    Arrived; I’ve been; since

7)    Haven’t met

1. Are you going?
2. I’ll stay
3. Are you going?
4. I’m going 
5. Are going to go
6. Will drive
7. Are you staying?
8. Are couch surfing
9. Will have
10. Will find

1)    Worked

2)    Travel

3)    Went

4)    Met

5)    Worked

6)    Wore

7)    Haven’t seen

8)    Have you been

9)    Was

10) Saw

11) Were looking 

12) Took

13) Have you worked

14) Have been working

15) Have you visited

16) Have been

17) Have just gone back

18) Did you go

19) Went

20) Went

21) Visited

22) Are you going?

23) Feel

24) Am leaving

25) Am looking

26) Has been

27) Reached

28) Felt

29) Got

30) Wrote

31) Could be

1. B
2. A
3. D
4. B
5. B
6. A
7. C
8. D
9. A
10. C
11. B
12. B
13. A
14. A
15. C
16. D
17. D
18. B
19. B
20. C