WHAT MUST WE DO TO ……….PEOPLE FROM THROWING TRASH ON THE STREETS

4. - TUAN 31 - TIENG ANH 9 - KIEM TRA
TUAN 31 - TIENG ANH 9 - KIEM TRA
4. What must we do to ……….people from throwing trash on the streets?a. encourage b. make c prevent d. force