Sometimes feel boring with learning, what happened

如题.

2016-08-22 提问者:fir615

教师解答

JESSE lEE

培养兴趣，每学一点就前进一步，累了就休息

2016-08-24

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学生讨论

snowing11:

On

2016-08-22

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katyym:

Just have a rest and keep up

2016-08-22

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