When some students _______ the windows, the principal entered the classroom. A. was cleaning B. have cleaned C. are cleaning D. were cleaning

29 31/05/2024

When some students _______ the windows, the principal entered the classroom.

A. was cleaning

B. have cleaned

C. are cleaning

D. were cleaning

Trả lời

Thì quá khứ tiếp diễn:

When QKTD, QKD: diễn tả hành động đang xảy ra thì có hành động khác xen vào.

Tạm dịch: Khi một số học sinh đang lau cửa sổ, hiệu trưởng bước vào lớp.

→ Chọn đáp án D

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Xem tất cả

When some students _______ the windows, the principal entered the classroom. A. was cleaning B. have cleaned C. are cleaning D. were cleaning

Trả lời

Câu hỏi cùng chủ đề

Which of the following can be inferred from the passage? A. Phone companies should be accused of intruding on their users’ privacy. B. Cameras to identify who committed crimes before weren’t

Which of the following is NOT true, according to the passage? A. Cameras receive a message from RFID tags when someone holds an item with a tag. B. Some streets in London were equipped with C

The word monitoring in paragraph 3 can be best replaced by _______ . A. tracking B. identifying C. assessing D. replacing

The word deter in paragraph 2 is closest in meaning to _______ . A. boost B. prolong C. serve D. prevent

According to paragraph 1, CCTV cameras are installed in Britain to _______ . A. act as a deterrent against shoplifting B. record dangerous behaviours and offences C. make sure that all the st

The word they in paragraph 1 refers to _______ . A. offenders B. faces C. cameras D. people

Which best serves as the title for the passage? A. The Prevalence of Modern Technology B. People Get Cross by Being Watched All the Time! C. In A Bid to Discourage Criminal Offences D. Somebo

Which of the following is TRUE about the Plastiki, according to the passage? A. It has a totally different appearance when compared to other boats. B. It was made of plastic and other materia

The word fight in paragraph 2 is closest in meaning to _______ . A. compete B. divide C. compare D. tackle

According to paragraph 2, De Rothschild was shocked when he _______ . A. travelled between Antarctica and the Ecuadorian Amazon B. read some information about plastic at seas and oceans C. pa

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