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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.
America's first globe maker was James Wilson, who ___________ and blacksmith in his earlier life.
A. a farmer had been
B. had been a farmer
C. farming
D. being a farmer
America's first globe maker was James Wilson, who ___________ and blacksmith in his earlier life.
A. a farmer had been
B. had been a farmer
C. farming
D. being a farmer
Thì quá khứ hoàn thành diễn tả hành động (be a farmer and blacksmith) xảy ra trước một hành động khác (was America's first globe) trong quá khứ.
Đáp án B.