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because there is more smoke from factories and motor engines. * A. pollute B. polluting C. polluted D. pollution

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Tìm ĐKXĐ $\sqrt[]{x^2-8x+14}$ Nhanh nha cần gấp

giúp mik vs ạ, cảm ơn mn nhiều.

giúp mình đi mà hứa vote 5 * :)) cảm ơn nhiều

Change the following sentences into reported speech: 1. “Where are you going?” he said to her. .................................................................................................................................. 2. “Which way did you go?” he said to me ................................................................................................................................. 3. “What were you going to do next summer?” she said to him .................................................................................................................................. 4. “What do you want for lunch today?” They said to us. .................................................................................................................................. 5. “Why did you get a computer two years ago?” They said to me .................................................................................................................................. 6. “When was your little boy born?” He said to me .................................................................................................................................. 7. “How many jobs did you have in 2000?” I said to him. .................................................................................................................................. 8. " When do you want to visit London?" They said to us -> …………………………………………………………………………….. 9. " Which language can you speak ?" She said to me -> …………………………………………………………………………….. 10. " When will you finish your exercise at home?" I said to her -> ……………………………………………………………………………..

Nêu công thức của các câu sau When did you start school?  How many schools did you go to?

Complete the second sentence with the same meaning. 1. People speak English in many countries. → English …………………….....................................................................…….. 2. You don’t do exercise regularly , you put on weight → If you ………………........................................................................……….. 3.He began driving a car to work two years ago -> He ........................................... 4. “Does you live here?” He said to me. → He ................... ……………………………… 5. They will build a new school next month. → A new school…………………………………………. 6. "How much do you think it will cost?" he said to me. - He asked me ........................................................................................................... 7.Minh began to collect stamps in 2010 -> Minh has…………………………………………………………………………….. 8. "I want to send my son to a university in the UK", she said. She _____________________________________________. 9. The Prime Minister will open three more new schools in the town next autumn. Three more new _____________________________________________. 10. I last talked to him five months ago. I haven't _________________________________________________ 11. Study hard and you pass the exam. If you……………………………………………………………………………………… 12” We like our uniform very much", the students said. The students …………………………………………………………………………………..

: Phân tích đa thức sau thành nhân tử. a. 3x(x + 1) – 5y(x + 1) b. 3x3(2y – 3z) – 15x(2y – 3z)2 c. 3x(x – 6) – 2(x – 6) d. 3x(z + 2) + 5(-x – 2) đ. 4y(x – 1) – (1 – x)