12. I’m supposed to be here, _____?   13. Nothing is wrong, _____?   14. Nobody called the phone, _____?   15. Everything is okay, _____?   16. Everyone took a rest, _____?   17. Going swimming in the summer is never boring, _____?   18. Let’s dance together, _____?   19. Don’t talk in class, _____?   20. Sit down, _____?   21. This picture is yours, _____?   22.  Hoa  never comes to school late, _____?   23. You took some photos on the beach, _____?   24. He hardly ever makes a mistake, _____?   25. We must communicate with you by means of e-mail or chatting, _____?   26. Nobody liked the play, _____?   27. She’d saved money if she bought fresh food, _____?   28. The area was evacuated at once, _____   29. She’s very funny. She’s got a great sense of humor, _____?   30. It never works very well, _____?   31.  Mr.Smith  usually remembered his wife’s birthdays, _____?   32. Neither of them offered to help you, _____?   33. He ought to have made a note of it, _____?   34. There’ll be plenty for everyone, _____?   35. Let’s go out for dinner tonight, _____?   36. That isn’t Bill driving, _____?   37. Nothing went wrong, _____?   38. There used to be trees here, _____?   39. This won’t take long, _____?   40. Don’t touch that button, _____?   41. I’m not too late, _____?   42. Not a very good film, _____?   43. Somebody wanted a drink, _____?   44. They think he’s funny, _____?   45. The fire wasn't started deliberately_____?   giúp mình với