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视频
Unit 1 What's the matter?P1
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36:06
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视频
Unit 1 What's the matter?P2
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32:11
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视频
Unit 1 What's the matter?P3
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37:31
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视频
Unit 1 What's the matter?P4
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33:46
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视频
Unit 2 I'll help clean up the city parks. P1
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34:06
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Unit 2 I'll help clean up the city parks. P2
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36:46
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视频
Unit 2 I'll help clean up the city parks. P3
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33:26
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视频
Unit 2 I'll help clean up the city parks. P4
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33:26
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视频
Unit 3 Could you please clean your room P1
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36:21
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Unit 3 Could you please clean your room P2
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34:01
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Unit 3 Could you please clean your room P3
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33:41
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视频
Unit 3 Could you please clean your room P4
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37:31
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视频
Unit 4 Why don't you talk to your parents P1
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37:26
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视频
Unit 4 Why don't you talk to your parents P2
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33:16
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视频
Unit 4 Why don't you talk to your parents P3
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35:56
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视频
Unit 4 Why don't you talk to your parents P4
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33:06
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视频
Unit 5 What were you doing when the rainstorm came P1
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35:16
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视频
Unit 5 What were you doing when the rainstorm came P2
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33:46
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视频
Unit 5 What were you doing when the rainstorm came P3
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35:01
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视频
Unit 5 What were you doing when the rainstorm came P4
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35:31
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视频
Review of Units 1-5 Period 1
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35:56
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视频
Review of Units 1-5 Period 2
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35:21
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视频
Review of Units 1-5 Period 3
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33:01
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视频
Unit 6 An old man tried to move the mountains. P1
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32:26
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Unit 6 An old man tried to move the mountains. P2
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35:16
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Unit 6 An old man tried to move the mountains. P3
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34:21
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视频
Unit 6 An old man tried to move the mountains. P4
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35:01
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视频
Unit 7 What's the highest mountain in the world?P1
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33:31
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视频
Unit 7 What's the highest mountain in the world?P2
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33:31
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视频
Unit 7 What's the highest mountain in the world?P3
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33:36
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视频
Unit 7 What's the highest mountain in the world?P4
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34:31
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视频
Unit 8 Have you read Treasure Island yet P1
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35:21
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视频
Unit 8 Have you read Treasure Island yet P2
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32:31
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视频
Unit 8 Have you read Treasure Island yet P3
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32:06
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视频
Unit 8 Have you read Treasure Island yet P4
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34:26
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视频
Unit 9 Have you ever been to a museum?P1
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32:16
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Unit 9 Have you ever been to a museum?P2
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35:51
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视频
Unit 9 Have you ever been to a museum?P3
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35:01
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视频
Unit 9 Have you ever been to a museum?P4
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35:01
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视频
Unit 10 I've had this bike for three years. P1
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34:46
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视频
Unit 10 I've had this bike for three years. P2
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32:06
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视频
Unit 10 I've had this bike for three years. P3
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32:11
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视频
Unit 10 I've had this bike for three years. P4
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36:06
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视频
Review of Units 6-10 Period 1
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35:41
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视频
Review of Units 6-10 Period 2
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33:26
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视频
Review of Units 6-10 Period 3
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33:01