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dangnguyen8877
2 năm trước
diện tích hình tròn là 78,5cm2. bán kính hình tròn đó là
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1.Combine each pair of sentences to form a conditional sentences,using "if" A.Type 1 1.The land is polluted.The farmers are unable to grow crops. 2.There is visual pollution.People build too many telephone poles and overhead power lines. 3.People use contaminated water for cooking.Their health is badly affected. 4.The industrial waste is well-treated.The factory installs a new filtration system. B.Type 2 5.The factory is located near our village.There is air pollution and noise pollution. 6.The local people have to use water from the polluted river.They don't have fresh water. 7.Mr.Quang works in a noisy environment.His hearing becomes worse. 8.There is serious water pollution.The factory doesn't treat its waste well. 2.The words and phrases in bold in each sentence are wrong.Correct the mistakes. 1.You (are) tired in the morning if you don't go to bed soon. 2.If you see Karen,(do) you ask her to call me? 3.(Does) Frank come with us if we go to the beach at the weekend? 4.If you need help,(will tell) me!

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