剑二上-Unit1-1 A time to remeber
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剑二上-导学部分
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剑入上-Unit1-2 It's nice to meet you
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剑入上-Unit1-1 It's nice to meet you
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SS7-Unit13-Which is bigger?
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SS7-Unit12-I am taller than you
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SS7-Unit11-Go to Disney
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SS7-Unit10-The Great Wall is great
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SS7-Unit9-He played football last weenkend
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SS7-Unit8-What did you do yesterday evening?
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