KEEP OUR ENVIRONMENT CLEAN OR WE WON’T ENJOY A HEALTHY LIFE.IF WE...

49. - DE THI TRAC NGHIEM TIENG ANH 9 SO 4
Lớp 9 DE THI TRAC NGHIEM TIENG ANH 9 SO 4
49. Keep our environment clean or we won’t enjoy a healthy life.If we ………..A. don’t keep our environment clean, we won’t enjoy a healthy life.B. won’t keep our environment clean, we don’t enjoy a healthy life.C. didn’t our environment clean, we wouldn’t enjoy a healthy life.D. keep our environment clean or we would enjoy a healthy life.