Giúp em với ạ.Cuuuuuuuuuu

56. How do you do, Sarah? Are you back from the conference? A. Did you enjoy C. Are you enjoying 57. Sorry, could you say that again please? I A. haven't listened B. hadn't listened 58. I'm sorry I A. haven't written moment. A. aren't having the exam. 59. I'm pretty sure that we A. wil ...