Without the help of the PLA men, all 69 miners trapped in a flooded coal mine in Henan Province for three days ________ .
A. couldn't rescue B. couldn't have been rescued
C. shouldn't have rescued D. hadn't been rescued
Without the help of the PLA men, all 69 miners trapped in a flooded coal mine in Henan Province for three days ________ .
A. couldn't rescue B. couldn't have been rescued
C. shouldn't have rescued D. hadn't been rescued
B