--------1-------the best way to make riding safer and more popular is to create paths（开设通道）only for bicycles ，and to make ---2----so difficult and expensive for drivers to take their cars into the city that they will go bake to using their bicycles.
1.A.hardly B.may be C.perhaps
2.A.it B.them C.us 为什么，请把这句话再给翻译一下
