Whether working alone or in a group,students share ideas and discussions on the subject being（未完

分类: 作业答案 • 2021-12-20 08:57:06

问题描述：

Whether working alone or in a group,students share ideas and discussions on the subject being（未完
studied（这里为什么是用being studied而不是studied）

答

这里的being studied的being强调的是正在被研究学习的科目.如果无being就不是正在的意思.being done是现在时的被动语态