Unit 1,Welcome back to school,三年级英语下册 Unit 1 Welcome back to school（第4课时）课件 人教PEP版-人教PE级下册英语课件,We are friends. We like to play. A boy from Canada. A girl from the UK. Friends from China and the USA,Lets chant,三年级英语下册 Unit 1 Welcome back to school（第4课时）课件 人教PEP版-人教PE级下册英语课件,Lets practise,Linda,三年级英语下册 Unit 1 Welcome back to school（第4课时）课件 人教PEP版-人教PE级下册英语课件,Lets practise,Zhang Peng,三年级英语下册 Unit 1 Welcome back to school（第4课时）课件 人教PEP版-人教PE级下册英语课件,Lets practise,John,三年级英语下册 Unit 1 Welcome back to s
