China's 23rd Beidou Satellite__________into space on June 12,2016.
As Chinese,we are proud of it.( )
A.has sentB.is sentC.will sendD.was sent
China's 23rd Beidou Satellite__________into space on June 12,2016.
As Chinese,we are proud of it.( )
A.has sentB.is sentC.will sendD.was sent