1. It was only 10 o'clock but they wanted to get back to ________________________________ (1) the afternoon heat.

2. They were glad to ________________________________ (2) out of there because the weather was starting to deteriorate.

3. My parents always helped me to ________________________________ (3) in myself.

4. They never used to ________________________________ (4) like that.

5. I'm so close to ________________________________ (5) everyone about what you've done!

6. He may be inclined to ________________________________ (6) to ________________________________ (7) himself.

7. He finally admitted to ________________________________ (8) her.

8. She couldn't say no to ________________________________ (9) Jack in person. She'd heard so much about him.

9. Everyone's been looking forward to ________________________________ (10) a nice and quiet vacation.

10. I know I agreed to ________________________________ (11) you but I can't today.

11. What was his reaction to ________________________________ (12) been asked such a personal question?

12. Reading is the key to ________________________________ (13) English.

13. She was surprised to ________________________________ (14) out that he was having an affair.

14. Thanks to modern medicine, this disease is no longer a barrier to ________________________________ (15) a quality life.

15. Allow me to ________________________________ (16) it to you. It's simple.

16. I prefer active holidays to simply ________________________________ (17) on the beach.

17. The first person to ________________________________ (18) that tree over there is the winner.

18. There's no need to ________________________________ (19) the police. We're out of here.

19. The company can't afford to ________________________________ (20) any more money.

20. In Africa, women are more vulnerable to ________________________________ (21) infected by HIV than men.

1. 1. a) avoid
   2. b) avoiding
2. 1. a) get
   2. b) getting
3. 1. a) believe
   2. b) believing
4. 1. a) be
   2. b) being
5. 1. a) tell
   2. b) telling
6. 1. a) lie
   2. b) lying
7. 1. a) protect
   2. b) protecting
8. 1. a) like
   2. b) liking
9. 1. a) meet
   2. b) meeting
10. 1. a) have
    2. b) having
11. 1. a) help
    2. b) helping
12. 1. a) have
    2. b) having
13. 1. a) understand
    2. b) understanding
14. 1. a) find
    2. b) finding
15. 1. a) have
    2. b) having
16. 1. a) explain
    2. b) explaining
17. 1. a) lie
    2. b) lying
18. 1. a) touch
    2. b) touching
19. 1. a) call
    2. b) calling
20. 1. a) lose
    2. b) losing
21. 1. a) be
    2. b) being