Biến đổi từ: 51- This plant’s ____________ is high, so it attracts a lot of investment. (produce) 52- The ________________ of this machine requires the latest techniques. (produce) 53- This energy-___________________ bulb is not cheap. (save) 54- The ___________________ are requiring us to repair the machines. (consume) 55- Watching Korean films on TV is a time-_____________ activity. (consume) 56- Water ________________ is increasing this summer. (consume) 57- The ___________________ of the model attracts us. (efficient) 58- They are working ______________, so we are _____________. (effect / satisfy) 59- Life always needs a lot of ___________________. (innovate) 60- The ___________________ are cleaning the beach. (conserve) 61- ___________________, our environment must be protected. (ultimate) 62- Tet is the most important ___________________ in Viet Nam. (celebrate) 63- Fruits’ festival in Suoi Tien park is a very ___________________ activity. (joy) 64- Look at the ___________________ bulbs. They are so beautiful. (color) 65- My ___________________ are so strong that the word “love” can’t describe them. (feel) 66- The ______________    ___________ caused a lot of bad effects. (volcano/ erupt) 67- Our _______have not warned our fishermen about the typhoon carefully. (science) 68- A ________________ eruption occurred here last night. (disaster) 69- The beach is full of all kinds of ________________. (pollute) 70- He used all his ____________ to force the door open.      STRONG 71- The police are interested in the sudden ____________ of the valuable painting.      APPEAR 72- My teacher ____________ me to take this examination.      COURAGE 73- Recently health foods have increased in ____________.      POPULAR 74- The old lady hid all her ____________ under the floor.      SAVE 75- Your money will be refunded if the goods are not to your complete ____________.      SATISFY  76- The council has promised to deal with the problem of _________ among young people.    EMPLOY 77- Tung had eaten so much he had to ____________ his belt.      LOOSE 78- The dictionaries are with the other ____________ books.      REFER 79- I had to check the wages in ____________ to my normal work.      ADD 80- He was very ____________ of the work he had done.       PRIDE 81- There is a ____________ of 10% in the amount of money available for buying new books.     REDUCE 82- He is interested in the ____________ old buildings.      PRESERVE 83- 26. Saucepans are sold in the ____________ goods department.       HOUSE 84- 'Friends of the Earth' is concerned about the __________ of the natural environment.    CONSERVE  85- Thousands of people have been made ____________ by the war.      HOME 86- He wouldn't listen to her repeated _________, so in the end she went.      REFUSE 87- The teacher gave his students  ____________ to leave the classroom.      PERMIT 88- He grew up poor, but he overcame all difficulties and ____________ to become one of the most successful actors in Vietnam.      HARD 89- They said 'good bye' to each other just because of some minor _________.      UNDERSTAND 90- He is old. He's getting ____, and his _____ often makes a lot of trouble. FORGET 91- This table may break under a lot of ____________.       PRESS 92- Dr. Jones is a well known ____________. He has written several  novels, one of which was about the  ____________ meeting between the great leaders at Yalta in 1945.      HISTORY 93- You should go on a diet. You're a bit ____________.       WEIGH 94- The car is a complete write off. It is quite ______________.       REPAIR 95- That little boy has a _____________ of cakes.       MOUTH 96- The Saigon Giai Phong is a ____________ newspaper.       DAY 97- She is from Tel Aviv. She is ____________.       ISRAEL 98- Mary looks ____________ about something. She looks ___________ at everything.      WORRY  99- I can't believe you, what you say is quite ____________.     LOGIC  He is an _________ doctor who just graduated from the medical school last year.     EXPERIENCE 100- There is a __________ that people nowadays get dressed beautifully. (TEND)

51- This plant’s ______productivity______ is high, so it attracts a lot of investment. (produce)

52- The ________production________ of this machine requires the latest techniques. (produce)

53- This energy-___________saving________ bulb is not cheap. (save)

54- The __________consumers_________ are requiring us to repair the machines. (consume)

55- Watching Korean films on TV is a time-____consuming_________ activity. (consume)

56- Water ______consumption__________ is increasing this summer. (consume)

57- The ___________efficiency________ of the model attracts us. (efficient)

58- They are working ________effectively______, so we are ____satisfied_________. (effect / satisfy)

59- Life always needs a lot of ___________innovation________. (innovate)

60- The ____________conservators_______ are cleaning the beach. (conserve)

61- _________ultimately__________, our environment must be protected. (ultimate)

62- Tet is the most important ___________celebration________ in Viet Nam. (celebrate)

63- Fruits’ festival in Suoi Tien park is a very ______joyful_____________ activity. (joy)

64- Look at the _________colorful__________ bulbs. They are so beautiful. (color)

65- My ____________feeling_______ are so strong that the word “love” can’t describe them. (feel)

66- The ______volcanic________    ______eruption_____ caused a lot of bad effects. (volcano/ erupt)

67- Our ___scientists____have not warned our fishermen about the typhoon carefully. (science)

68- A __________disastrous______ eruption occurred here last night. (disaster)

69- The beach is full of all kinds of ______pollution__________. (pollute)

70- He used all his _____strength_______ to force the door open.      STRONG

71- The police are interested in the sudden ______disappearance______ of the valuable painting.      APPEAR

72- My teacher ______encourage______ me to take this examination.      COURAGE

73- Recently health foods have increased in ____popularity________.      POPULAR

74- The old lady hid all her ______savings______ under the floor.      SAVE

75- Your money will be refunded if the goods are not to your complete ______satisfaction______.      SATISFY 

76- The council has promised to deal with the problem of ____unemployment_____ among young people.    EMPLOY

77- Tung had eaten so much he had to ______loosen______ his belt.      LOOSE

78- The dictionaries are with the other _______reference_____ books.      REFER

79- I had to check the wages in _____addition_______ to my normal work.      ADD

80- He was very _____proud_______ of the work he had done.       PRIDE

81- There is a ______reduction______ of 10% in the amount of money available for buying new books.     REDUCE

82- He is interested in the _____preservation of_______ old buildings.      PRESERVE

83- 26. Saucepans are sold in the ____household________ goods department.       HOUSE

84- 'Friends of the Earth' is concerned about the ___conservation_______ of the natural environment.    CONSERVE 

85- Thousands of people have been made ____homeless________ by the war.      HOME

86- He wouldn't listen to her repeated ____refusal_____, so in the end she went.      REFUSE

87- The teacher gave his students  ___permission_________ to leave the classroom.      PERMIT

88- He grew up poor, but he overcame all difficulties and ____hardships________ to become one of the most successful actors in Vietnam.      HARD

89- They said 'good bye' to each other just because of some minor ___misunderstanding______.      UNDERSTAND

90- He is old. He's getting _forgetful___, and his __forgetfulness___ often makes a lot of trouble. FORGET

91- This table may break under a lot of ____impression________.       PRESS

92- Dr. Jones is a well known ____Historians________. He has written several  novels, one of which was about the  ______historical______ meeting between the great leaders at Yalta in 1945.      HISTORY

93- You should go on a diet. You're a bit overweight.       WEIGH

94- The car is a complete write off. It is quite ______unrepairable________.       REPAIR

95- That little boy has a _______mouthful______ of cakes.       MOUTH

96- The Saigon Giai Phong is a ______daily______ newspaper.       DAY

97- She is from Tel Aviv. She is _____israeli_______.       ISRAEL

98- Mary looks ______worried______ about something. She looks _____worrrying______ at everything.      WORRY 

99- I can't believe you, what you say is quite illogical.     LOGIC 

He is an ____inexperient_____ doctor who just graduated from the medical school last year.     EXPERIENCE

100- There is a ___tendency_______ that people nowadays get dressed beautifully. (TEND)