Learn English - 5 'KEEP' Idioms

source: English Lessons with Alex  2013年11月13日
http://www.engvid.com/ If you are interested in improving your vocabulary and conversational ability, you should keep this lesson in mind. In it, you will learn five very common English idioms that use the verb 'keep.' The idioms in this video include 'keep your word,' 'keep someone posted,' 'keep an eye out,' 'keep a straight face,' and 'keep something/someone in mind.' Check it out! http://www.engvid.com/5-keep-idioms/