giải part 2 giúp với

15. A. recognize Part 2: Vocabulary - grammar and structures B. Cienge Choose the best answer among A. B, C or D. here since 1990. B. are tiving all about this some weeks age. 16. The Browns C. have lived D. had lived A. live 17. I wish I A. knew B. have known C. had known 18. Vietnam ...