The underground in Nanjing has been in service(since September,2006)-------------对括号部分提问( )( )( )the underground in Nanjing has been in service?

来源:学生作业帮助网 编辑:作业帮 时间:2024/05/08 16:42:25

The underground in Nanjing has been in service(since September,2006)-------------对括号部分提问( )( )( )the underground in Nanjing has been in service?
The underground in Nanjing has been in service(since September,2006)-------------对括号部分提问
( )( )( )the underground in Nanjing has been in service?

The underground in Nanjing has been in service(since September,2006)-------------对括号部分提问( )( )( )the underground in Nanjing has been in service?
how long has the underground in nanjing been in service?