Is that the lab ______ we did physics experiments in during our middle school days.
问题描述：
Is that the lab ______ we did physics experiments in during our middle school days.
A.what B.where C.which D.the one 定语从句,我也知道in后面应该是witch,可是又想到witch只能做从句中的主语或宾语,而剧中是做状语吧,为什么呢
答
你看看能不能这样理解.
which相当于前面的lab
which we did physics experiments in 还原就是 we did physics experiments in the lab
介词in 加上名词lab一起组成了地点状语,in the lab是状语成分
但是就单单the lab来说,它是作为介词in的宾语,也就是说,in which,的which也是充当介词In的宾语了.