她帮助尹博婷同学办学校的板报，在两位同学的努力下，学校板报现在非常出色。
She helped Betina to decorate school boards so nicely. These two students worked very hard. Thanks to them, all the boards look great now.
她帮助尹博婷同学办学校的板报，在两位同学的努力下，学校板报现在非常出色。
She helped Betina to decorate school boards so nicely. These two students worked very hard. Thanks to them, all the boards look great now.
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