Question

Mọi ng giúp mk đề 30 này vs ạ 

Answer 1

1A 2B 3A 4B 5B 6B 7B 8A 9A 10D 11C 12D 13D 14C 15C 16D 17D 18A 19B 20C 21B 22D 23A 24B 25B 26B 27A 28D 29B 30B 31C 32C 33B 34A 35A 36A 37B 38B 39A 40C 41D 42C 43A 44B 45C 46D 47B 48B 49C 50A