打圈那一题(第2题)我不太懂,为什么选B?
... office which ...worked in = ... office where ... worked
如果定语从句中有介词而且介词后面没有宾语,应该用关系代词which作介词的宾语; where = 介词 + 关系代词,即用where 引导定语从句时,从句中不能用表示地点的介词。