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2 năm trước
Cho những kết tủa và màu sắc của từng kết tủa đó được học trong chương trình lớp 9. Nêu khái niệm kết tủa
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Turn these sentences into passive voice 25. The Government plans to build a new road in each city every year. _______________________________________ 28. Mrs. Hoa usually sells fresh vegetables in the market near my house. _______________________________________ 29. Uncle Trung delivers milk in the mornings in our village. _______________________________________ 35. Does your mother often prepare meals at home? _______________________________________ 36. Our school organizes camping activities on summer holiday. _______________________________________ 37. Thousands of tourists visit the Temple of Literature every month. _______________________________________ 38. Do the gardeners often take care of these trees and flowers in the park? _______________________________________ 39. The postman delivers our letters every morning. _______________________________________ 40. King Le Thanh Tong first erected the Doctor’s stone tablets in 1484. _______________________________________ 41. We should write a brochure about Hue Imperial Citadel to prepare for our presentation. _______________________________________ 42. The Mona Lisa was painted by Leonardo Da Vinci in 1503 or 1504 in Italy. _______________________________________ 43. Those books were written by Dr. Bel 50 years ago. _______________________________________ 60. Famous lecturers and tutors teach the students in the university. _______________________________________

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