More and more people in our city are going to work by bicycle.Some of them want to s_1_ gasoline.

Others think riding a bike is g___2___ for the health. They all think it is much e___3___to park a bike than a car.

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save 节约
good be good for固定搭配 对……有好处乱和缺
easier much后加哗辩比较棚弯级
不懂追问，万望采纳

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save
good
easy

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