问题
选择题
----People should stop using their cars and start using public transport.
----________. The roads are too crowed as it is.
A．all right
B．exactly
C．go ahead
D．fine
答案
答案：B
考查交际用语。all right好吧，exactly的确是，go ahead往前走，句意：人们应该停止使用他们自己的车开始使用公共交通。的确是，公路太拥挤了。故选B。