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G07 L00 3 Text: If aliens came to Earth
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G07 L00 2 Vocabulary
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G07 L00 1 Grammar
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PCC 03 Environmental Problems
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PCC 01 02 Daily Routines
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PCC 01 The evolution of transport
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G02 L04 6 Writing Activity
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G02 L04 5 Grammar Activities
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G02 L04 4 Tasks
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