新情境生活运用亮亮参加了“Love Earth,Go green”海报设计大赛,请依照范例,将亮亮的海报内容补充完整。Keep our city clean Keep our city clean To keep our city clean, we can do To keep our city clean, we can do many things.many things.We can use paper bags.WeǚWe can plant more trees.We...