1、 Unit 4The Internet Connects UsWe will learn:Functions Talking about the InternetGrammar Adverbial Clause withifStructur。

2、 Unit 4The Internet Connects UsLesson 19How do you use the InternetWordsexpressionstechnologydesktoptabletkeyboardinvita。

3、Unit4 The Internet Connects UsLesson 19:How Do You Use the InternetWarmup1Presentation2Language Points3Exercise4WarmupFr。