Use the correct form of the word given in each sentence.
57. Some language (learn) ______ often underline important words.
58. These students need to (improvement) ______ their pronunciation.
59. He was (pride) ______ of his achievements in the field of politics.
60. I can do all of these exercises (easy) ______.
61. (Tradition) ______, we visited our relatives on Tet holidays.
62. Our classrooms are equipped with (electricity) ______ lights and fans.
63. My new friend is quite (humor) ______. He often makes us laugh.
64. Mr. Bell demonstrated his (invent) ______ at a lot of exhibitions.
65. (Dangerous) ______, the baby is holding a knife in his hand.
66. She is kind, hard working and (humor) ______.
67. By 1877 the first telephone was in (commerce) ______ use.
68. Bell (success) ______ demonstrated his invention to the public.
69. The tiger wanted to see the farmer's (wise) ______.
70. Don't waste (electrify) ______ or you have to pay an enormous bill.
71. Let me (introduction) ______ myself. I am Peter.
72. Telephone is a device transmitting (speak) ______ over a long distance.
73. Last year we had an (enjoy) ______ summer vacation.
74. He speaks English (nature) ______ after living abroad for a long time.
75. She actively (participation) ______ in social work last year.
76. The kitchen can be a (danger) ______ place for children.
77. The (magic) ______ sawed the girl into two halves.
78. The air is seriously (pollution) ______ with traffic fumes.
79. (Fortunate) ______, her step mother didn't treat her well.
80. Hard work always bring (succeed) ______.
81. Marconi was the (invent) ______ of the radio.
82. His (pronounce) ______ of some words is not correct.
1 injury
2 dirt
3 attracted
4 medicine
5 attractions
6 chemical
7 electricity
8 marvelous
9 electrician
10 destruction