It is useful to make a study plabecause ____________.
·it is not painful to make one
·it cabring futo your study
·it catake away stress
出自:运营管理

完成拼图验证

按住下方滑块,将拼图拖到缺口处后松开。

拼图背景,将小拼图拖到缺口处
向右拖动滑块