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ở nước ta muối ăn được sản xuất từ nước biển thường bị lẫn vào cát , phù sa không đảm bảo vệ sinh. Bằng những kiến thức em đã học em hãy trình bày cách sản xuất muối ăn sạch từ nước biển
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làm nhanh thì được ctlhn 1. Our school ........................................... by green fields. A. is surrounded B. is surround C. surrounds D. surround 2. My friends want to study in a/an .............. school because they want to learn English with English speaking teachers there. A. national B. international C. creative D. boarding 3. They are healthy. They do ........................... everyday. A. football B. physics C. judo D. breakfast 4....................... Lan often ....................... homework after school? A. Does/do B. Is/do C. Does/doing D. Is/does 5. Hanh is usually early__________ school because she gets up early. A. on B. for C. at D. to 6. . Would you like to come to my house for lunch? A. Yes, sure B. No, I don’t. C. I’m sorry. I can’t D. Yes, I would. 7. . Can you ______ the biscuits for me, please? A. play B. pass C. do D. have 8. Lan has ________________ hair. A. long black curly B. long curly black C. black long curly D. long black curly 9. Lan often ------------ her bike to visit his hometown. A. drives B. flies C. rides D. goes 10. What would you like to drink now? ---------------------------------------------- A. No, thank you B. Yes, please C. I like to do nothing D. apple juice, please 11. I can’t come right now. I ------------ when I finish my homework. A. am coming B. come C. will come D. came 12. If you read more, your vocabulary will -------------- every day. A. good B. well C. better D. best 13. It is wrong of you to do this. This -----------------never happen again A. does B. would C. will D. must 14. “--------------------------------“? “He is of medium height, with black hair and dark skin” A. What is your new friend like? B. What does your new friend look like? C. How is your new friend? D. What does your new friend like ? 15. “-------------------------do you play table tennis? – Once a week A. How much B. How long C. How for D. How often 16. Trung wants to become a musician. He thinks it is the -------------job in the world. A. good B. more good C better D. best 17. There are too many buildings------------this city. A. in B. at C. with D. on 18. Excuse me, I’m looking for a telephone box”. “There ‘s one---------------------” A. straight B. at the corner of the street C. turn right D. going left 19. My parents always say that I --------take things without asking. A. needn’t B. mayn’t C. shouldn’t D. won’t 20. “Would you like me turn off your computer?” “-------------. I ‘ll do it myself.” A. No, thanks B. Yes, please C. Don’t do it D. Of course

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