57. Some language (learn) _learners_ often underline important words.
58. These students need to (improvement) __improve_ their pronunciation.
59. He was (pride) __proud_ of his achievements in the field of politics.
60. I can do all of these exercises (easy) _easily_.
61. (Tradition) _Traditionally_, we visited our relatives on Tet holidays.
62. Our classrooms are equipped with (electricity) _electric_ lights and fans.
63. My new friend is quite (humor) _humorous_. He often makes us laugh.
64. Mr. Bell demonstrated his (invent) _invention_ at a lot of exhibitions.
65. (Dangerous) _Dangerously__, the baby is holding a knife in his hand.
66. She is kind, hard working and (humor) _humorous__.
67. By 1877 the first telephone was in (commerce) _commercial_ use.
68. Bell (success) _successfully_ demonstrated his invention to the public.
69. The tiger wanted to see the farmer's (wise) _wisdom_.
70. Don't waste (electrify) _electricity_ or you have to pay an enormous bill.
71. Let me (introduction) _introduce_ myself. I am Peter.
72. Telephone is a device transmitting (speak) _speech_ over a long distance.
73. Last year we had an (enjoy) _enjoyable_ summer vacation.
74. He speaks English (nature) _naturally_ after living abroad for a long time.
75. She actively (participation) _participated_ in social work last year.
76. The kitchen can be a (danger) _dangerous_ place for children.
77. The (magic) _magician_ sawed the girl into two halves.
78. The air is seriously (pollution) _polluted_ with traffic fumes.
79. (Fortunate) _Unfortunately_, her step mother didn't treat her well.
80. Hard work always bring (succeed) _success_.
81. Marconi was the (invent) _inventor__ of the radio.
82. His (pronounce) _pronunciation_ of some words is not correct.
