课程简介
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What’s the matter? Function 免费
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What’s the matter? Grammar 免费
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What’s the matter? Vocabulary 免费
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I’ll help to clean up the city parks. Function
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I’ll help to clean up the city parks. Grammar（1）
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I’ll help to clean up the city parks. Grammar（2）
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I’ll help to clean up the city parks. Vocabulary
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Could you please clean your room? Function
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Could you please clean your room? Grammar
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Could you please clean your room? Vocabulary
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Why don’t you talk to your parents? Function
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Why don’t you talk to your parents? Grammar（1）
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Why don’t you talk to your parents? Grammar（2）
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Why don’t you talk to your parents? Vocabulary
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What were you doing when the rainstorm came? Function
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What were you doing when the rainstorm came? Grammar（1）
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What were you doing when the rainstorm came? Grammar（2）
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What were you doing when the rainstorm came? Vocabulary
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An old man tried to move the mountains. Function
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An old man tried to move the mountains. Grammar（1）
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An old man tried to move the mountains. Grammar（2）
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An old man tried to move the mountains. Vocabulary
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What’s the highest mountain in the world? Function
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What’s the highest mountain in the world? Grammar
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What’s the highest mountain in the world? Vocabulary
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Have you read Treasure Island yet? Function
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Have you read Treasure Island yet? Vocabulary
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Have you read Treasure Island yet? Vocabulary
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Have you ever been to a museum? Function
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Have you ever been to a museum? Grammar
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Have you ever been to a museum? Vocabulary
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I've had this bike for three year: Function
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I've had this bike for three year: Grammar
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I've had this bike for three year: Vocabulary