51. She …………at the door before she entered the office.
A. has knocked B. knocks C. have knocked D.had knocked
52. The boy………when the explosion occurred
A. is sleeping B. slept C. was sleeping D. sleeps
53. ………….everything already? Yes, he ………his part of work long ago.
A. Has he done B. Did he do/has done C. Has he done/ did D. Did he do/ did
54. She ……….this exercise yesterday at 8 o’clock.
A. wrote B. has written C. has writting D. was writing
55. I………………the article when I come home.
A. translate B. will translate C. translated D. was translating
56. Her brother …………in Canada at the moment
A. working B. works C. work D. is working
57. I……………you for ages.
A. didn’t meet B. wasn’t meeting C. has met D. haven’t met
58. We will have supper when you ………..home.
A. return B. returned C. have returned D. were returning
59. The library ……before I got there.
A. closed B. has closed C. had closed D. have closed
60.The Olympic Games………….every four years.
A. take place B. took place C. is taking place D. will take place
Loga
Sinh Học lớp 12
