With more traffic problems arising, more
问题:
With more traffic problems arising, more strict rules have been set, which makes it difficult for people to succeed __________the driving test
A.to pass
B.passing
C.to have passed
D.to be passed
With more traffic problems arising, more strict rules have been set, which makes it difficult for people to succeed __________the driving test
A.to pass
B.passing
C.to have passed
D.to be passed