조회 수 255 추천 수 0 2015.01.10 10:10:34
English Grammar is frustrating to remember because there are so many rules -- and so many exceptions to the rules! When you learn a new grammar point, it is very important to remember two things:...
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원문출처 : http://www.youtube.com/watch?v=c6Y1UJb2fvc&feature=youtube_gdata