'Put' in Phrasal Verbs - put down, put back, put off, put up

source: English Lessons with Alex  2011年12月17日
http://www.engvid.com/ Don't put this lesson off! If you want to enhance your vocabulary and understanding of some common phrasal verbs that use "put," watch this free English lesson now. Take the quiz at http://www.engvid.com/phrasal-verbs-put/ !