first day 加油

如题.

2017-06-05 提问者:ChuanJ

教师解答

尚未回答。

学生讨论

jon0630:

yes

2017-06-05

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garida:

Good

2017-06-06

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garida:

Go on

2017-06-06

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garida:

Go, go, go

2017-06-06

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