mn giải giúp mình với Choose the best answer. Câu 16. I enjoy _________ alone. A. be B. to be C. being D. to have been Câu 17. Would you like _______to the party? A. to come B. come C. coming D. to have come Câu 18. Do you mind_______ such a long way to work every day? A. to travel B. travel C. to have travelled D. travelling Câu 19. I don’t like that house. I would hate _______there. A. live B. living C. to live D. to have lived Câu 20 . Sometimes I would like_______ to play the piano. A. to learn B. learning C. learn D. to have learned Câu 21. Please remember _______this letter. A. to post B. post C. posting D. to have posted Câu 22. We tried _______the fire out but we were unsuccessful. We had to call the fire- brigade. A. putting B. put C. to put D. to have put Câu 23. Someone must have taken my bag. I clearly remember_______ it by the window and now it has gone. A. leave B. to leave C. to have left D. leaving Câu 24. Jane needed some money. She tried _______Harry but he couldn’t help her. A. to have asked B .to ask C. asking D. ask Câu 25. Please tell me how _______this A. do B. to do C. doing D. to have done Câu 26. One is never too old_______ A. to learn B. learning C. learn D. to have learned Câu 27. You are old enough _______out alone. A. going B. to go C. to have gone D. go Câu 28. I’m glad _______you A. to meet B. meet C. meeting D. to have met Câu 29. It’s nice _______you A. to know B. know C. knowing D. to have known Câu 30. We stopped_______ hello to her. A. say B. to say C. saying D. to have said Câu 31. It’s no use ______ those things. A. buy B. buying C. to buy D. to be bought Câu 32. After ______, she invited the audience to ask questions. A. finish B. finished C. finishing D. to finish Câu 33. I suggest ________ some more mathematics puzzles. A. do B. to do C. doing D. done Câu 34. My computer needs _______. A. repair B. to repair C. repairing D. repaired