Jiaxing is a small city. Therefore, to _
问题:
Jiaxing is a small city. Therefore, to ______ the flow of traffic, the government has decided to broaden some main streets.
A.speed up
B.build up
C.put up
D.come up
Jiaxing is a small city. Therefore, to ______ the flow of traffic, the government has decided to broaden some main streets.
A.speed up
B.build up
C.put up
D.come up