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Lesson 7 My friend 教学
218
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lesson 7 My friend 精讲
155
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Lesson 8 Letters 教学
182
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Lesson9 Open and Close 微课
148
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Lesson9 Open and Close教学
141
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Lesson10 Red,yellow,blue,green 教学
108
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Lesson10 Red,yellow,blue,green 精讲
141
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Lesson11_Orange, Brown, White, Black 教学
114
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Lesson 11 Orange,brown,white,black 精讲
102
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Lesson 12 More letters 微课
110
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Lesson 12 More letters 教学
141
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Lesson 12 More letters 精讲
114
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Lesson 12 More letters 试教
135
