English Prepositions: IN or ON?

source: Learn English with Rebecca  2014年7月9日
http://www.engvid.com/ Is it ON Facebook, or IN Facebook? Did you read it ON the newspaper or IN the newspaper? In this short lesson, you will learn an easy trick to know when to use 'in' or 'on'. It's so easy, you'll never confuse these words again! Using English prepositions correctly can be hard. But after you learn this tip, you won't have any problems with 'in' and 'on'. Take the quiz ON our site: http://www.engvid.com/english-preposi...