摘要：4．表示条件.相当于一个条件状语从句. Going straight down the road, you will find the department store. 顺着这条路一直走.你就会发现那家百货商店.(= If you go straight down the road...) Working hard at your lessons, you will succeed. 如果你努力学习.就一定能成功.(= If you work hard at your lessons...)

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