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Unit 1 Topic 1《I'm going to play basketball.》（Section A and B）
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0:39:11
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Unit 1 Topic 1《I'm going to play basketball.》（Section C and D）
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0:41:34
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Unit 1 Topic 2《We should learn teamwork.》（Section A and B）
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0:29:55
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Unit 1 Topic 2《We should learn teamwork.》（Section C）
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0:28:38
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Unit 1 Topic 2《We should learn teamwork.》（Section D）
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0:23:23
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Unit 1 Topic 3《The school sports meet is coming.》（Section A and B）
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0:43:22
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Unit 1 Topic 3《The school sports meet is coming.》（Section C）
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0:26:29
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Unit 1 Topic 3《The school sports meet is coming.》（Section D）
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0:23:17
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Uint 2 Topic 1《You should see a dentist.》（Section A and B）
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0:34:39
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Uint 2 Topic 1《You should see a dentist.》（Section C）
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0:21:52
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Uint 2 Topic 1《You should see a dentist.》（Section D）
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0:12:31
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Uint 2 Topic 2《I must ask him to give up smoking.》（Section A and B）
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0:38:09
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Uint 2 Topic 2《I must ask him to give up smoking.》（Section C）
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0:36:44
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Uint 2 Topic 2《I must ask him to give up smoking.》（Section D）
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0:30:27
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Uint 2 Topic 3《Must we exercise to prevent the ful?》（Section A and B）
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0:28:17
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Uint 2 Topic 3《Must we exercise to prevent the ful?》(Section C)
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0:25:15
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Uint 2 Topic 3《Must we exercise to prevent the ful?》(Section D)
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0:24:37
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Uint 3 Topic 1《What's your hobby?》（Section A and B）
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0:36:56
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Uint 3 Topic 1《What's your hobby?》（Section C）
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0:25:13
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Uint 3 Topic 1《What's your hobby?》（Section D）
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0:32:12
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Uint 3 Topic 2《What sweet music!》（Section A and B）
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0:37:26
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Uint 3 Topic 2《What sweet music!》（Section C）
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0:27:54
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Uint 3 Topic 2《What sweet music!》（Section D）
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0:24:00
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Unit 3 Topic 3《What were you doing at this time yesterday?》（Section A and B）
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0:42:18
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Unit 3 Topic 3《What were you doing at this time yesterday?》（Section C）
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0:35:13
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Unit 3 Topic 3《What were you doing at this time yesterday?》（Section D）
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0:33:43
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Unit 4 Topic 1《Which do you like better,plants or animals?》（Section A and B）
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0:35:35
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Unit 4 Topic 1《Which do you like better,plants or animals?》（Section C）
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0:27:12
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Unit 4 Topic 1《Which do you like better,plants or animals?》（Section D）
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0:30:25
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Uint 4 Topic 2《How can we protect ourselves from the earthquake》（Section A and B）
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0:39:01
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Uint 4 Topic 2《How can we protect ourselves from the earthquake》（Section C）
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0:35:51
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Uint 4 Topic 2《How can we protect ourselves from the earthquake》（Section D）
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0:22:03
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Uint 4《Our World》Topic 3 The Internet makes the world smaller.（Section A and B）
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0:38:24
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Uint 4《Our World》Topic 3 The Internet makes the world smaller.（Section C）
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0:30:11
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Uint 4《Our World》Topic 3 The Internet makes the world smaller.（Section D）
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0:29:46
