Đề thi THPT QG 2021 – mã đề 403
Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to the following question.
We _______ flowers in the school garden when it started to rain.-
A.
plant
-
B.
were planting
-
C.
are planting
-
D.
have planted
Kiến thức: Thì quá khứ tiếp diễn
2 hành động xảy ra trong quá khứ: 1 hành động đang diễn ra (chia quá khứ tiếp diễn) thì có 1 hành động khác xen ngang (chia quá khứ đơn).
Cấu trúc phối hợp thì giữa 2 hành động: S + was/were + V-ing + when + S + V-ed/V cột 2
We were planting flowers in the school garden when it started to rain.
Tạm dịch: Chúng tôi đang tưới hoa ở vườn trường thì trời bắt đầu mưa.
Đáp án : B
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