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.
I lit the fire at 6. 00 and it ___________ brightly when Tom came in at 7. 00.
A. burnt
B. was burning
C. burned
D. have been burning
I lit the fire at 6. 00 and it ___________ brightly when Tom came in at 7. 00.
A. burnt
B. was burning
C. burned
D. have been burning
Cặp thì quá khứ đơn và quá khứ tiếp diễn
Đáp án B.