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phanngochung
2 năm trước
Bằng phương pháp hóa học hãy nhận biết các dung dịch riêng biệt sau Na2SO4, NaOH, H2SO4, NaNO3 Viết phương trình hóa học say ra
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41. The board awarded the first prize to the reporter. chuyển thành câu bị động ………………………………………… 42. Have you sent the Christmas cards to your family? ………………………………………… 43. The committee appointed Alice secretary for the meeting. ………………………………………… 44. He hides the broken cup in the drawer. ………………………………………… 45. They keep this room tidy all the time. ………………………………………… 46. They all voted the party a great success. ………………………………………… 47. We gave Ann some bananas and some flowers. ………………………………………… 48. They moved the fridge into the living room. ………………………………………… 49. She bought some cups of tea to the visitors in the next room. ………………………………………… 50. They find the new project worthless. ………………………………………… 51. The secretary didn’t take the note to the manager. ………………………………………… 52. My father waters this flower every morning. ………………………………………… 53. John invited Fiona to his birthday party last night. ………………………………………… 54. Her mother is preparing the dinner in the kitchen. ………………………………………… 55. We should clean our teeth twice a day. ………………………………………… 56. Our teachers have explained the English grammar. ………………………………………… 57. Some drunk drivers caused the accident in this city. ………………………………………… 58. Tom will visit his parents next month. ………………………………………… 59. The manager didn’t phone the secretary this morning. ………………………………………… 60. Did Mary this beautiful dress?

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