人教版（2019）必修一 Unit 5 Languages around the world 课时作业课件（4份打包）

(共21张PPT)
课时作业(二十)　Section Ⅳ 　 Grammar & Writing(共24张PPT)
课时作业(十七) Section Ⅰ Listening and Speaking
& Listening and Talking(共25张PPT)
课时作业(十九)　Section Ⅲ　Discovering Useful Structures & Reading for Writing(共25张PPT)
课时作业(十八)　Section Ⅱ　Reading and Thinking