53. She __________the painting when I came.
A. painted B. has been painting C. was painting D. has painted
54. When I was a boy, I _____________tea to coffee.
A. preferred B. was preferring C. have preferred D. prefer
55. I _____________swim in this river when I was young.
A. was used to B. am used to C. used to D. use to
56. She came into the room while they ______________television.
A. are watching B. were watching C. watched D. have watched
57. It's an hour since he ____________, so he must be at the office now.
A. is leaving B. was leaving C. has left D. left
58. He __________up his mind yet.
A. hasn't made B. didn't make C. wasn't making D. wasn't make
59. My teacher arrived after I __________________for him for ten minutes.
A. was waiting B. had waited C. waited D. have waited
60. By the end of next year, George ___________English for two years.
A. will learn B. will have learned C. would learn D. has learned
61. The children are still ill but they __________better gradually.
A. getting B. get C. are getting D. are got
62. Tom and Mary _________for Vietnam tomorrow.
A. have left B. leaving C. leave D. are leaving
Giúp vs ạ