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Day 4: brush up on Index: 0:12 Introduction. Listen to the phrasal verb in context. 0:27 Identify the meaning. 0:58 Explanation. Study its meaning and use. 1:37 Question of the Day. 1:56 Review.... |
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JenniferESL
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Time: 04:37 | More in Education |
원문출처 : http://www.youtube.com/watch?v=z8VvZxNaObM&feature=youtube_gdata