Choose the best answer.
It _________(snow) when I got up this morning.
A. snowed
B. was snowing
C. has been snowing
D. snows
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Hành động xen vào chia ở thì quá khứ đơn. Hành động đang xảy ra chia ở thì quá khứ tiếp diễn.
=>It was snowing when I got up this morning.
Tạm dịch: Trời đang có tuyết khi tôi thức dậy vào sáng nay .
Đáp án cần chọn là: B
Choose the best answer.
At this time last year, I _______(attend) an English course.
Choose the best answer.
At this time last year, my sister ______ a new car.
Choose the best answer.
While my father ________(read) books, my brother ________(listen) to music.
Choose the best answer.
When we _______(cross) the street, we saw an accident.
Choose the best answer.
What __________(you/do) when it __________(rain)all day before?
Choose the best answer.
When his wife ________(arrive) at this house, he still ________(sleep).
Choose the best answer.
While he was doing homework, his sister _______(learn) English.
Choose the best answer.
The car _________(not/stop) as we ____________(cross) the road.
Choose the best answer.
Faker suddenly _______(sit) down on the chair when I ________(paint) it.
Choose the best answer.
He _________ at college at that time last year.
Choose the best answer.
Marry ____________(wait) in the lobby, wasn’t she?
