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. *
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Sinh Học lớp 12
