Unit 12I like paper-folding lessons我喜欢叠纸课。The dialogue A:May I use the sticky tape?B:Here you are.A:Thank you.B:You are welcome.Dialogue 2A:May I use the scissors?B:Here you are.A:Thank you.B:Not at all.circleringsquaretrianglerectanglestarpentagonwordscircle ring square triangle rectangle starpentagon中小学教育教学资源打包下载https:/