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Câu hỏi: Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.
He __________ a terrible accident while he __________along Ben Luc Bridge.
A. see / am walking
B. saw / was walking
C. was seeing / walked
D. have seen I were walking
He __________ a terrible accident while he __________along Ben Luc Bridge.
A. see / am walking
B. saw / was walking
C. was seeing / walked
D. have seen I were walking
Câu sử dụng cặp thì kết hợp: quá khứ đơn và quá khứ tiếp diễn
They were watching films when I arrived home.
were watching: Thì quá khứ tiếp diễn
arrived: Thì quá khứ đơn
They were watching films when I arrived home.
were watching: Thì quá khứ tiếp diễn
arrived: Thì quá khứ đơn
Đáp án B.