精选优质文档-倾情为你奉上1. They talked for about an hour of things and persons _ they remembered in the factory.A. whichB. thatC. whoD. whom2. We are going to spend this Spring Festival in Beijing, _ live our grandparents and some relatives.A. whichB. thatC. whoD. where3. There are many areas in the world _ lack experienced doctors.A. whereB. in whichC. whichD. what4. The years and months _ we spent together are really wonderful to us