IF WE (PLANT) ___________________ MORE TREES, THE AIR (BE) ________...

6. - DE THI CHON HOC SINH GIOI CAP HUYEN MON TIENG ANH 6 NAM 2017 2018 CO DAP AN PHONG GD DT HUYEN TRUC NINH 4784
Lớp 6 Tiếng Anh DE THI CHON HOC SINH GIOI CAP HUYEN MON TIENG ANH 6 NAM 2017 2018 CO DAP AN PHONG GD DT HUYEN TRUC NINH 4784
6. If we (plant) ___________________ more trees, the air (be) ___________________ fresher.