The U. S. government has planned to __________ updating public-transport systems.
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The U. S. government has planned to __________ updating public-transport systems. 查看材料
A.reduce traffic jams
B.drive around
C.go by bus
D.spend more money
E.travel regularly
F.encourage more private cars
请帮忙给出正确答案和分析,谢谢!
