WHAT WERE YOU DOING WHEN HE ……. AT 4 YESTERDAY

câu 6: - BAI KIEM TRA LOP 9 SO 1 HK I NAM HOC 2010 2011
Tiếng Anh BAI KIEM TRA LOP 9 SO 1 HK I NAM HOC 2010 2011
Câu 6: What were you doing when he ……. at 4 yesterday? A. would come B. came C. had come D. comes