---When did you get to know the professor over there?
---It was at the work shop______we did reserch to gether two years ago.A.thatB.thereC.whichD.where
网友回答
D解析考查定语从句。It was at the work shop we did reserch to gether two years ago是省略了强调句型的句子，补充完整是It was at the work shop we did reserch to gether two years ago that I got to know the professor over there. the work shop是先行词，在定从 we did reserch to gether two years ago中作地点状语，所以用where引导。选D。