IF THE __________ CONTINUES, WHAT WILL HAPPEN

6. - DE DAP AN KIEM TRA HK II LOP 9 AN NHON BINH DINH
Tiếng Anh DE DAP AN KIEM TRA HK II LOP 9 AN NHON BINH DINH

6. If the __________ continues, what will happen?

A. polluted

B. polluting

C. pollute

D. pollution