题目
根据句意及汉语提示完成单词
【1】—What would you like, Tony?
—A________(瓶)of water.
【2】I told him I was his second eldest________ (孙子).
【3】I think diet is the first________ (步骤)to lose weight.
【4】________ (回收利用)waste paper means protecting trees.
【5】Do take your own cloth bag when you go shopping instead of________ (塑料的)bags.
知识点：Unit 2 Repeat these three words daily: reduce, reuse and recycle.章节：Module 12 Save our world