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Day 3: sink in Index: 0:12 Introduction. Listen to the phrasal verb in context. 0:35 Identify the meaning. 1:09 Explanation. Study its meaning and use. 1:40 ... |
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JenniferESL
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원문출처 : http://www.youtube.com/watch?v=ZCM5xfNYezk&feature=youtube_gdata