1Unit 13第三课时第一题答案
1、recycling
2、bottles
3、metal
4、threw
5、president
2Unit 13第三课时第二题答案
3Unit 13第三课时第三题答案
1、waste, creative mind
2、average person
3、used to, known for
4、Not only,but, also, brought back
5、especially, use, to
