U5_B Let's talk
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U5_A Listen, repeat and chant.
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U5_A Listen and circle the first sound.
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U5_A Listen and chant
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U5_A Let's talk
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U4--U4开篇页 Listen and sing
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U4--U4开篇页 Listen and chant
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U4--U4Words in each unit-Unit 4
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U4--U4C Project
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U4--U4B Start to read
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