补 Vocabulary( Unit 3 )
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Speaking Page 10( Response 5~6 )
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Listening ( Conversation 12 )
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Listening ( Conversation 11 )
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Listening ( Conversation 10 )
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Vocabulary ( Unit 1-2 )
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Speaking
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Listening ( Conversation 9 )
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Listening ( Conversation 8 )
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Listening ( Conversation 7 )
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