IF WE / GO ON / LITTER, / ENVIRONMENT / SERIOUS / POLLUTE. ________...

1. - DE THI HOC SINH GIOI LOP 9 THCS TINH QUANG NAM MONTIENG ANH CO DAP AN
Lớp 9 Tiếng Anh DE THI HOC SINH GIOI LOP 9 THCS TINH QUANG NAM MONTIENG ANH CO DAP AN
1. If we / go on / litter, / environment / serious / pollute. ___________________________________________________________________________