A. OPENED B. HELPED C. WATCHED D. TALKED

3. - BO DE THI HOC KY 2 MON TIENG ANH LOP 7 CO DAP AN 3
Lớp 7 Tiếng Anh BO DE THI HOC KY 2 MON TIENG ANH LOP 7 CO DAP AN 3

3. A. opened B. helped C. watched D. talked