June 18 2020,book 4 whale song
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May 27 2020,book 4 unit 8.1
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May 26 2020,book4 unit 7.2
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20200523111925
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May 19 ,2020,book4 unit7.1
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May 18 2020,book 4 unit6.2
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May 3,2020,book 4 unit 6.1
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May 2,2020
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Apr.27 2020, book 4 unit 5.1
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Apr 14 2020,book 4 unit 4 review
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