HÃY CHỌN MỘT CÂU TRẢ LỜI ĐÚNG NHẤT

49. - DE THI TUYEN TIENG ANH 12 NHE
DE THI TUYEN TIENG ANH 12 NHE

49. Unless I _______ a quiet room, I_______ not be able to do any work.

A. had/ will B. have/ will C. has/ would have D. had had/ would have