(北师大版)三年级英语上册课件 Unit 5 welcome back to school.pptpage1Welcome back to school!page2Free talk-Good morning, Boys and girls! -Good morning! -Welcome back to school! Nice to see you again! -Nice to see you too!page3Welcome back to school!Nice to meet you. - Nice to meet you, too!Nice to see you again. - Nice to see you, too!page4We have a new friend today.girlHello, I’m Amy. I’m fro..