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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.
The couple ____________ in Perth for several months before they moved to London.
A. has lived
B. had been living
C. will live
D. lives
The couple ____________ in Perth for several months before they moved to London.
A. has lived
B. had been living
C. will live
D. lives
Cặp thì kết hợp: quá khứ hoàn thành và quá khứ đơn Quá khứ hoàn thành - BEFORE - quá khứ đơn AFTER - thì quá khứ hoàn thành - quá khứ đơn
Đáp án B.