Thứ sáu, 22/11/2024
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Câu hỏi:

18/07/2024 89

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

A. was cleaning

B. have cleaned 

C. are cleaning

D. were cleaning

Đáp án chính xác

Trả lời:

verified Giải bởi Vietjack

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

Câu trả lời này có hữu ích không?

0

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