3. I'm sorry, but we are __________ to help you. [able]

4. The new computer will _________ you to work faster. [able]

5. The________________ of slavery had major economic consequences. [abolish]

6. How many _________ in the class today? [absent]

7. Are we allowed to go on in her _____________? [absent]

8. You've forgotten again! You are so _________-___________. [absent]

9. _______________ has become a major problem. We must talk to the workers to find out what's causing it. [absent]

10. Your behaviour is ___________. You will have to leave. [accept]

11. You will receive the letter of ____________ within the next few days. [accept]

12. Please be careful. ___________ is very important. [accurate]

13. Your calculations are ____________. Please do them again. [accurate]

14. _____________ speak louder than words. [act]

15. Who got the Best __________ Award this year? Was it Sean Penn? [act]

16. We need to plan more enjoyable ____________ for members. [act]

17. Look - there's going to be an _____________-___________ so we can see how he scored. [act]

18. __________, I don't think it's a good idea. [act]

19. Press the button and you will ___________ the bomb. [act]

20. I think they are animal rights __________________ demonstrating against pet shops. [act]

21. Try to be more ___________. You've become lazy recently. [act]

22. There aren't enough plugs. We need to get an ___________. [adapt]

23. You can't go on being so ____________. Things have to change. [adapt]

24. Can you fit in an ________________ four seats? [add]

25. She won't buy food with___________ or preservatives. [add]

26. There is no discrimination in our _______ policy. [admit]

27. __________________, I did have some help, but not much. [admit]

28. I didn't like him. He seems a really ________________ person. [agree]

29. Surely we can come to an _________________? [agree]

30. Sorry, it's an ______________ policy that we can't simply change on our own. [agree]

31. Accidents do happen - so I want a car with an ___-________. [air]

32. I'm hot. Turn on the _________-____________. [air]

33. Send it _______________or it will take weeks to get there. [air]

34. No, Kai Tak ____________ closed long ago. [air]

35. We can take turns and work __________ weekends. [alter]

36. Tell me if you want any __________________. [alter]

37. _______________, we could borrow some money. [alter]

38. Let's go through your _____________of the problem. [analyse]

39. We need to ask a soil _____________. I think there is one at the university - Dr Lees, I believe. [analyse]

40. She said she was sorry, but her tone was most ______________. [apology]

41. Go and _____________. You were wrong. [apology]

42. _______________she didn't really love him. [appear]

43. Your ______________ is important when you go for an interview. [appear]

44. This is serious. $10,000 has _______________from my desk. [appear]

45. Stop being so________________. It's annoying. [argue]

46. I don't think I agree. The point seems _____________to me. [argue]

47. You haven't had another ____________, have you? [argue]

48. ___________ robbers grabbed $250,000 from a security van this afternoon. [arm]

49. Nuclear________________ should be at the top of the agenda. [arm]

50. The prefects will wear _________-_______ as identification. [arm]

Answers:

1. ability; 2. disabled; 3. unable; 4. enable; 5. abolition; 6. absentees; 7. absence; 8. absent-minded; 9. Absenteeism; 10. unacceptable; 11. acceptance; 12. accuracy; 13. inaccurate; 14. Actions; 15. Actor; 16. activities; 17. action-replay; 18. Actually; 19. activate; 20. activists; 21. active; 22. adaptor; 23. unadaptable; 24. additional; 25. additives; 26. admissions; 27. Admittedly; 28. disagreeable; 29. agreement; 30. agreed; 31. air-bag; 32. air-conditioner/air-conditioning; 33. airmail; 34. Airport; 35. alternate; 36. alterations; 37. Alternatively; 38. analysis; 39. analyst; 40. unapologetic; 41. apologise; 42. Apparently. 43. appearance; 44. disappeared; 45. argumentative; 46. arguable; 47. argument; 48. Armed; 49. disarmament; 50. arm-bands