THEY_____ THE BEACH ONE WEEK AGO. A. CLEANED B. CLEANS C. CLEANING...

7. - DE KIEM TRA TIENG ANH 7 (LOP DE AN)
Tiếng Anh DE KIEM TRA TIENG ANH 7 (LOP DE AN)
7. They_____ the beach one week ago. A. cleaned B. cleans C. cleaning D. to clean