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56. I buy stamps from the post office. I also ask my members of family and my relatives.

57. Sometimes, I exchange stamps with other people. 

58. I divide stamps into different groups : animals ,plants, birds and so on. 

59. Because I want to know more about people, animals and plants.

60. I will collect more stamps. 

Đáp án: (cần thêm chữ vào vì đề cho không đủ từ để hoàn thành câu)

56. I ask my members of family and relatives, I also buy stamps from post office.

57. Sometimes I exchange my stamps with other people.

58. I divide my stamps into different groups: animals, plants, birds and so on.

59. I will know more people, animals and plants.

60. I will collect more stamps 

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    Chúc bạn học tốt =))

         -MInhh-