We study in the tall teaching building ___ the lab building

问题描述:

We study in the tall teaching building ___ the lab building
a.connected to b.connecting to
A,为什么?b的现在分词做定语怎么不对呢?

可以这样想,是teaching building自己连接吗?当然不是,它应该是“被”连接到lab building的,应该选connected to过去分词做定语.