Unit 3.Care for the Earththe earthWhat should we do?pick flowerscut down treesmake the air dirtywaste watersave waterdrive a cardrive a carWe should .We shouldnt .summary the earth pick flowers We should . cut down trees we shouldnt. make the air dirty waste water drive a carHomework Copy the words three times. Read and write the words Talk about the earth with your classmate.Thank you !人教新版四年级上册ReviewBrother, brother, this is my brother.I love my brother.Sister, sister, this is my sister. I lov
