I. Give the corect forrm of the words
1. Students can join one of our ___cleanup_______ to clean rivers and beaches all around Vietnam. (CLEANUP)
2. We are taking these old newspaper to the    __recycling________     bins in town. (RECYCLE)
3. You can help by _______donate____ money to the charity. (DONATE)
4. We can ___use_______ empty glass jars to store food, like jam and nuts. (USE)
5. Trees are very ____useful_____. They give food to people and animals. (USE)
6. Act Green Vietnam is an _________     charity in Ho Chi Minh city.

34. A. thank                            B. mother             C. thunder            D. throat

35. A. they                     B. three                C. thirst                D. thread

36. A. worth                            B. thick                C. though             D. wrath

37. A. Thursday            B. than                 C. there                D. those

38. A. Thursday            B. thanks              C. these                D. birthday

39. A. thought               B. without            C. theater             D. tooth

40. A. weather               B. wealthy            C. clothing            D. bathing

41. A. thirsty                 B. both                 C. Thanksgiving   D. there

42. A. weather               B. through            C. warmth            D. tooth

43. A. than                     B. their                 C. earth                D. then

44. A. birthday              B. although          C. thing                D. theatre

45. A. anything              B. neither             C. than                 D. feather

46. A. think                             B. thought            C. theatre             D. there

47. A. mother                B. through            C. leather              D. either

48. A. them                    B. they                 C. something        D. this

49. A. thirty                            B. though             C. fifth                  D. thanks

50. A. everything           B. brother             C. theory              D. both