Lesson 23 Which glasses
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Lesson 22 Give me/him a
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Lesson 21 Which book
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Lesson 18 What are their jobs
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Lesson 20 Look at them
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Lesson 19 Tired and thirsty
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Lesson 18 What are their jobs
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Lesson 17 How do you do
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Lesson 16 Are you...
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以C开头的英文词汇
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