MODULE 9 - Đại từ nhân xưng, Đại từ sở hữu và Đại từ phản thân
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They ________ here for three years before you ________ last week. A. have worked / came B. have been working / come C. was working / had come D. had been working / came

87/100

They ________ here for three years before you ________ last week.

have worked / came

have been working / come

was working / had come

had been working / came

Giải thích

Chọn đáp án D