How to get more score ?could u share experience to us?

如题.

2017-06-08 提问者:一尺清闲

教师解答

尚未回答。

学生讨论

Hao Dong:

more effort

2017-06-08

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Zhengruojun:

Do the exercises for servers times until you get a 20 points.

2017-06-08

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huizhaonk:

take it easy

2017-06-08

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