Unit 8 big bird!四年级下册 tall shortIts a tall tree.Its not a short tree.Its a short tree.Its not a tall tree.I am old,but Im happy!He is not young.He is not old.I am young!fatShe is fat.thinShe is thin.Its a bird.Its a big bird.Its a bird.Its a small bird.Im a peacock.animalsWhat can you see in this picture?Where is here?Its a forest.I am a turtle,an old turtle!I am her baby,a young turtle.helpI can help you!Help 的用法You are a good girl!Am I a bad girl?Thank you!