来自卢胜利的问题
Mr.Herpinisoneoftheforeignexpertswho____inChina.A:worksB:isworkingC:areworkingD:hasbeenworkingTomistheonlyoneofthestudentswho____toShanghai.A:havegoneB:havebeenC:hasbeenD:hadgone这两道题的先行词分别时什么,
Mr.Herpinisoneoftheforeignexpertswho____inChina.
A:worksB:isworkingC:areworkingD:hasbeenworking
Tomistheonlyoneofthestudentswho____toShanghai.
A:havegoneB:havebeenC:hasbeenD:hadgone
这两道题的先行词分别时什么,怎样判断的啊?
