50 years ago,There ( )no subway

50 years ago,There ( )no subway There was a subway 50 years ago? THere were no subway 5 years ago (改错) There was no a subway in the city 10 years ago.哪里错了 (There was no a subway ij the city 10years ago)有什麼错误麼? There was a subway 50 years ago.(一般疑问句,并作否定回答) Were there a subway in Shenzhen 30 years ago? 找出错误,并改正There were no factories 50 years ago.There weren’t m Are there many factories in shenzhen 50 years ago no,there a there,a,two,ago,years,was,subway这条连词成句怎么连成一句话呢? There were no tall buildings in Shanghai many years ago. dinosaurs ( )millions of years ago,but today there ( )no mor