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Lesson 7 My friend 教学
210
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lesson 7 My friend 精讲
152
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Lesson 8 Letters 教学
180
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Lesson9 Open and Close 微课
145
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Lesson9 Open and Close教学
139
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Lesson10 Red,yellow,blue,green 教学
104
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Lesson10 Red,yellow,blue,green 精讲
135
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Lesson11_Orange, Brown, White, Black 教学
112
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Lesson 11 Orange,brown,white,black 精讲
95
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Lesson 12 More letters 微课
104
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Lesson 12 More letters 教学
141
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Lesson 12 More letters 精讲
107
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Lesson 12 More letters 试教
131
