... lot. ÑAÙP AÙN 1D 2A 3A 4D 5C 6B 7B 8C 9A 10D 11A 12C 13C 14B 15A 16B 17C 18D 19B 20C 21C 31C 22B 32B 23B 33A 24C 25B 34B 35B 26A 36D 27A 28C 37D 38C 29A 39C 30B 40D 41C 51B 42D 43D 52D 53A 44C ... 30B 40D 41C 51B 42D 43D 52D 53A 44C 45C 54C 55B 46D 56C 47B 48C 57A 58B 49A 59D 50D 60A 61C 62D 63C 64A 65A 66D 67C 68A 69D 70D ... đoạn văn sau và chọn phương án đúng ( A hoặc B, C, D) cho mõi câu từ 46 đến 50 Ever since humans have inhabited the earth, they have made use of various forms of communication. Generally, this...