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37:351271
《Unit 4 Astronomy- the science of the stars-Using
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《Unit 4 Astronomy- the science of the stars-Using
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《Unit 4 Astronomy- the science of the stars-Using
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《Unit 4 Astronomy- the science of the stars-Using
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《Unit 2　Working the land-Learning about Language
41:30134
《Unit 2　Working the land-Learning about Language
39:5492
《Unit 2　Working the land-Learning about Language
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《Unit 2　Working the land-Learning about Language
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《Unit 2　Working the land-Learning about Language
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《Unit 2　Working the land-Learning about Language
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《Unit 2　Working the land-Learning about Language
38:1942
《Unit 2　Working the land-Learning about Language
39:3766
《Unit 2　Working the land-Learning about Language
42:2489
《Unit 2　Working the land-Learning about Language
40:4864
《Unit 2　Working the land-Learning about Language
41:1766
《Unit 2　Working the land-Learning about Language
43:4660
《Unit 2　Working the land-Learning about Language
45:58145
《Unit 2　Working the land-Learning about Language
46:47114
《Unit 2　Working the land-Learning about Language
40:2855
《Unit 2　Working the land-Learning about Language
42:2643
《Unit 2　Working the land-Learning about Language
44:5844
《Unit 2　Working the land-Learning about Language
44:3842
《Unit 2　Working the land-Learning about Language
30:0571
《Unit 2 Healthy eating-Learning about Language》人
39:2779
《Unit 2 Healthy eating-Learning about Language》人
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《Unit 2　Working the land-Learning about Language
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《Unit 2 Healthy eating-Learning about Language》人
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《Unit 2　Working the land-Learning about Language
39:4647
《Unit 2 Healthy eating-Learning about Language》人
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《Unit 2　Working the land-Learning about Language
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《Unit 2　Working the land-Learning about Language
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《Unit 2　Working the land-Learning about Language
30:0730
《Unit 2　Working the land-Learning about Language
49:1540
《Unit 2　Working the land-Learning about Language
37:4130
《Unit 2　Working the land-Learning about Language
50:5739
《Unit 2　Working the land-Learning about Language
49:2241
《Unit 2　Working the land-Learning about Language
41:1257
《Unit 2　Working the land-Learning about Language
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《Unit 2　Working the land-Learning about Language
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《Unit 2 Healthy eating-Learning about Language》人
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《Unit 2　Working the land-Learning about Language
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《Unit 2　Working the land-Learning about Language
40:0832
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《Unit 2　Working the land-Learning about Language
33:2535
《Unit 2　Working the land-Learning about Language
38:3820
《Unit 2　Working the land-Learning about Language
49:4646
《Unit 2　Working the land-Learning about Language
40:2531
《Unit 2　Working the land-Learning about Language
38:1160
《Unit 2　Working the land-Learning about Language
50:2349
《Unit 2　Working the land-Learning about Language

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