Bộ 20 đề ôn thi vào Chuyên Anh năm 2023 cực hay có lời giải (Đề 39)

The couple _________in that castle for several months before they noticed anything odd. A. have been living B. have lived C. had been living D. were living

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The couple _________in that castle for several months before they noticed anything odd.

have been living

have lived

had been living

were living

Giải thích

Chọn C