BEFORE I ________ TO BED, I ________ THE LIGHTS. A. WENT/ TURNED C...

29. - 99 NHỮNG CẤU TRÚC THƯỜNG GẶP TRONG BÀI THI DAP AN
99 NHỮNG CẤU TRÚC THƯỜNG GẶP TRONG BÀI THI DAP AN
29. Before I ________ to bed, I ________ the lights. A. went/ turned C. had gone/turned B. went/ had turned D. had gone/had turned