41. Soil ………………. make plants die.                                                                            POLLUTE

42…………………………………...causes many floods.                                                   DEFOREST

43. The ……………of this tree are very green and beautiful.                                    LEAF

44. Every year I make a ........................and every year I break it.                             RESOLUTE

45.I don’t believe that the .................can bring us good or bad luck.                         FOOT

46. That’s a.............................designer. She has a lot of new ideals.                          CREATE

47. Nhung is quiet,but sometimes she becomes……………                                       TALK

48. They’re  famous football................................                                                      PLAY

49. Please …….your envenlopes.                                                                               USE

50. English is an …….and important subject.                                                             INTEREST