GIẢI THÍCH CẤU TRÚC VÀ CÁCH LÀM NX NHA53. She __________the painting when I came. A. painted B. has been painting C. was painting D. has painted54. When I was a boy, I _____________tea to coffee. A. preferred B. was preferring C. have preferred D. prefer55. I _____________swim in this river when I was young. A. was used to B. am used to C. used to D. use to56. She came into the room while they ______________television. A. are watching B. were watching C. watched D. have watched57. It's an...
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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
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
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