Total: 5
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zhao xilin2020-02-13 05:30
(This user has no text comment.)
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bob2020-02-12 07:59
挺好，就是讲的太快了。7分钟就把一堂课的内容讲完了。
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Takeshi2020-02-05 16:30
Thank you for your excellent work as well.
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Takeshi2020-02-05 16:27
Good teaching!
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Ricky2020-02-05 14:58
(This user has no text comment.)
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Jimmy2020-02-02 15:30
(This user has no text comment.)
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Carol2020-01-30 06:32
(This user has no text comment.)
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Frank2020-01-28 15:39
good
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Andy Huang2020-01-22 20:01
(This user has no text comment.)
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Andy Huang2020-01-22 19:59
(This user has no text comment.)