Uber announced its plan to offer a service people can hail an electric “takeoff and landing” aircraft and ride it quickly to destinations.
各位老师好!最近又遇到了这个题有点想不明白。空格处应填where,修饰service,在句中作地点状语,in the service. 这个我可以理解。我的问题是这个空能否填that?这个句子为什么不能理解成同位语从句呢~~感谢老师赐教!