来自芦国英的问题
【Neverbefore_______ingreaterneedofmodernpublictransportthanitistoday.A.hasthiscitybeenB.thiscityhasbeenC.wasthiscityD.thiscitywas为什么选A,不选C?】
Neverbefore_______ingreaterneedofmodernpublictransportthanitistoday.
A.hasthiscitybeen
B.thiscityhasbeen
C.wasthiscity
D.thiscitywas
为什么选A,不选C?
