14. A. more

15. B. does

III. Write the correct tense or form of the verbs.

16. have already read => Dấu hiệu nhận biết: already.

17. didn't do => Dấu hiệu nhận biết: ago.

18. did => Dấu hiệu nhận biết: when he was in high school.

19. will eat => Dấu hiệu nhận biết: in the future.

20. need

21. Has Alex ever been - has been => Dấu hiệu nhận biết: ever - once.

22. is having => Dấu hiệu nhận biết: Right now.

23. was established => Dấu hiệu nhận biết: in 2011.

24. to recycle => Encourage sb to do sth.

25. doing => Enjoy doing sth.

IV. Supply the correct form of the words.

26. enjoyment => Enjoyment (n): sự vui thích.

27. collector => Collector (n): nhà sưu tầm.

28. overweight => Overweight (adj): thừa cân.

29. toothache => Toothache (n): đau răng.

30. unhealthy => Unhealthy (adj): không tốt cho sức khỏe.

31. donators => Donator (n): người ủng hộ.

32. voluntarily => Voluntarily (adv): một cách tình nguyện.

33. homeless => The homeless: người vô gia cư.

V. Choose the correct words.

34. d. most => So sánh nhất tính từ dài: the most + adj.

35. c. energy => Energy (n): năng lượng.

36. c. unable => Unable to do sth.

37. a. lose => Lose weight: giảm cân.

38. b. into => Divide into.

39. a. skipping => Skip (v): bỏ qua.

40. b. does

VI. Read the text then choose the correct answers. Thiếu đề.

II.

14. A

15. B

III.

16. have already read

17. didn't do

18. did

19. will eat

20. need

21. has Alex ever been ... has been

22. is having

23. was established

24. to recycle

25. doing

IV.

26. enjoyment

27. collector

28. overweight

29. toothache 

30. unhealthy

31. donators

32. voluntarily

33. homeless