After many years’ hard working, his pare
问题:
After many years’ hard working, his parents managed to ________ the debts for his education at university.
A.pay for
B.pay back
C.pay off
D.pay out
After many years’ hard working, his parents managed to ________ the debts for his education at university.
A.pay for
B.pay back
C.pay off
D.pay out