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UNIT 6 100. The teacher told his students to clear up all the trash __________ the ground. 101. There is too much exhaust fume __________ the air. 102. They mustn’t cut down the trees __________ the forests. 103. I’m worried __________ my most recent water bill. 104. Remember to turn __________ the faucet after using it. 105. I want to turn __________ the radio to here the news. 106. The streams will be covered____________ plastics and tins.

UNIT 5 92. viewer can watch international program __________ different channels. 93. Remote controls are used to interact __________ TV 94. Viewers can watch international programs ___________ different channels. 95. What do you use the internet __________? 96. They read the news ____________ the internet. 97. I can also communicate __________ my friends by means of e-mail . 98. We should prevent students __________ throwing trash. 99. The baby laughed happily as she played __________ her toy.

làm nhanh nhé và làm đúng mình tích cho

UNIT 4 85. It’s interesting to listen to English programs __________ the radio. 86. He’s good at English, he can practice speaking English __________ native speakers. 87. She learned English __________ school and university. 88. Cong Vinh seems to be well-qualified __________ the latest position. 89. The boy was greatly proud __________ his success at school. 90. please hurry up or you’ll be lake __________ school. 91. I look forward __________ hearing form you.

kể lại một câu chuyện cổ tích mà em biết theo lời một nhân vật trong câu chuyện đó, ko chép mạng, dài 1 xíu

Tìm x,y € Z , biết: xy - 3x - 2y = 11

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81. It’s really kind __________ you to help poor people. 82. He arrives __________ Singapore on Monday evening. 83. There is a meeting __________ 7 am and 9 am 84. It was hot, so I turn __________ the air conditioner.