The 19th National Congress of the CPC(中共十九大)_____in Beijing last year.
Our country has been into a new era(时代) since then.( )
A.heldB.was heldC.has heldD.had held
The 19th National Congress of the CPC(中共十九大)_____in Beijing last year.
Our country has been into a new era(时代) since then.( )
A.heldB.was heldC.has heldD.had held