Never before _____in greater need of mod
问题:
Never before _____in greater need of modern public transport than it is today.
A.is the city
B.was the city
C.has the city been
D.had the city been
Never before _____in greater need of modern public transport than it is today.
A.is the city
B.was the city
C.has the city been
D.had the city been