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

1. A. game B. bridge C. against D. garage 

2. A.special B.calendar C.decorate D.colored

3. A.much B.children C.exchange D.machine

4. A.figure B.organize C.grow D.average

5. A. excited B. kind C. nice D. quick 

6. A.government B.gold. C.give D.enough

7. A.earth B.growth C.although D.third

8 A.increase B.expect C.resource D.continue

9 A.climbing B.blouse C.bright D.billion

10 A.who B.wise C.where D.swimming

11 A.brighten B.iron C.drive D.promise

12 A.organize B.establish C.decide D.advise

13. A. decorate B. special C. constancy D. cloth 

14. A. treasure B. scream C. sneaky D. cheat

15. A. cheese B. chemical C. children D. teacher

16. A. study B. charity C. windy D. style

17 A.number B.able C.climber D.about

18 A.comb B.combine C.bomb D.climb

19 A.suffer B.unhappy C.cup D.uniform 

20 A.summer B.club C.computer D.but