GIẢI THÍCH CẤU TRÚC VÀ CÁCH LÀM NX NHA

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

Khinh Yên
12 tháng 7 2021 lúc 20:39

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

 

Nhan Thanh
12 tháng 7 2021 lúc 20:41

53. C

54. D

55. C

56. B

57. D 


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