56. Astronomy is the study of planets and stars. It is one of the world's oldest sciences A. Astronomy which is the study of planets and stars is one of the world's oldest sciences B. Astronomy, who is the study of planets and stars, is one of the world's oldest sciences C. Astronomy is the study of planets and stars which are one of the world's oldest sciences D. Astronomy, the study of planets and stars, is one of the world's oldest sciences 57. Our solar system is in a galaxy. It is called the Milky Way. A. Our solar system is in a galaxy where is called the Milky Way. B. Our solar system is in a galaxy called the Milky Way. C. Our solar system is in a galaxy, that is called the Milky Way. D. Our solar system is in a galaxy calling the Milky Way. 58. I saw men, women, cats and dogs. They moved round and round. A. I saw men, women, cats and dogs that moved round and round. B. I saw men, women, cats and dogs which moved round and round. C. I saw men, women, cats and dogs moved round and round. D. I saw men, women, cats and dogs when moved round and round. 59. One evening, he and the writer went to a restaurant. They had a wonderful meal in it. A. One evening, he and the writer went to a restaurant which they had a wonderful meal. B. One evening, he and the writer went to a restaurant where they had a wonderful meal in. C. One evening, he and the writer went to a restaurant where they had a wonderful meal. D. One evening, he and the writer went to a restaurant they had a wonderful meal. 60. A number of suggestions were made at the meeting, but most of them were not very practical. A. A number of suggestions were made at the meeting, most of them were not very practical B. A number of suggestions were made at the meeting, most of which were not very practical C. A number of suggestions were made at the meeting, but most of which were not very practical D. Most of the suggestions which were made at the meeting were not very practical. MỌI NGƯỜI OI GIÚP EM VỚI EM CẦN GẤP Ạ