WHILE I ...THE PERFORMANCE, I MET ONE OF MY OLD FRIENDS.A. WATCHED...

11. - Đề thi HKI môn: Tiếng Anh
Tiếng Anh Đề thi HKI môn: Tiếng Anh
11. While I ...the performance, I met one of my old friends.A. watched B. was watching C. watch D. am watching