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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.
They____________the play before, so they stayed at home.
A. were seeing
B. saw
C. were seen
D. had seen
They____________the play before, so they stayed at home.
A. were seeing
B. saw
C. were seen
D. had seen
Cặp thì kết hợp dùng để diễn tả 2 hành động. Hành động xảy ra trước thì dùng thì quá khứ hoàn thành, hành động xảy ra sau thì dùng thì quá khứ đơn.
Đáp án D.