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）
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