By the end of the 21th century, scientists _________ the cure for the common cold.
A. will have discovered B. had discovered
C. will discover D. are discovering
Đáp án A
Thì tương lai hoàn thành dùng để diễn tả một hành động hay sự việc hoàn thành trước một thời điểm trong tương lai.
Dấu hiệu nhận biết: by + mốc thời gian trong tương lai
Dịch nghĩa: Vào cuối thế kỷ 21, các nhà khoa học sẽ tìm ra phương pháp chữa bệnh cảm thông thường.
Some day of rest may help to _________ the pressure of work.
A. lower B. increase C. raise up D. reduce
Not all teenagers are well-_________ for their future job when they are at high school.
A. interested B. concerned C. prepared D. satisfied
Bill asked Tom where _________ .
A. he was going now B. he was going then
C. is he going now D. he is going then
If he _________ the doctor last week, he wouldn’t be suffering now.
A. see B. didn’t see C. saw D. had seen
Ellen didn’t get_________ very well _________ her roommate.
A. on/with B. on/to C. up/with D. up/to
Strict _________ measures are in force in the capital to protect it from terrorism.
A. transportation B. normal C. security D. scientific
We interviewed a number of candidates but none of them _________ us.
A. impressed B. impression C. impressive D. impressively
The old market is said _________ in a fire two years ago.
A. to be destroying B. to be destroyed
C. to have destroyed D. to have been destroyed
My teeth were a little yellow so I _________ by the dentist.
A. had had them cleaned B. had cleaned them
C. had them cleaned D. is cleaned
“Would you mind turning down the TV, Tom? I have a headache.” said Jane.
A. Jane has a headache and she would mind Tom turning down the TV.
B. Jane asked Tom turn down the TV and she had a headache.
C. Jane advised Tom to turn down the TV because she had a headache.
D. Jane asked Tom to turn down the TV as she had a headache.
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