Mark the letter A, B, C or D on your answer sheet to indicate the correct answer to each of the following questions.
“I called the police but by the time they arrived, the two men _________”, said the witness.
Giải chi tiết:
- Dấu hiệu: by the time + hành động chia ở quá khứ (they arrived)
- Cách dùng: thì quá khứ hoàn thành được dùng để diễn tả một hành động xảy ra trước một hành động khác trong quá khứ.
- Công thức: …by the time + S + V_ed (quá khứ đơn), S + had + P2: …vào lúc … thì đã …
Tạm dịch: "Tôi đã gọi cảnh sát nhưng khi họ đến nơi, hai người đàn ông đã biến mất rồi", nhân chứng nói.
Chọn D
Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.
A lot of research in medical science has been to improve human health.
Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.
The dog my father gave me is very lovely.
Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.
The higher the cost of living is, .
Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.
Last week, we an interesting film about the animal world.
Mark the letter A, B, C, or D on your answer sheet to indicate the word that differs from the other three in the position of primary stress in each of the following questions.
Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.
Peter bought a car as a present for his wife two weeks ago.
Mark the letter A, B, C, or D on your answer sheet to indicate the word whose underlined part differs from the other three in pronunciation in each of the following questions.
Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.
The success of the company in such a market is remarkable.
Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.
There has been growing public concern about the use of chemicals in food recently.
Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.
Harmful environmental factors can the development of certain diseases.