四川省2015
高考英语人教版一轮讲义：选修7 unit 4（2） we walked for two and a half hours to get there—first up a mountain to a ridge from where we had fantastic views and then down a steep slope to the valley below. 我们走了两个半小时才到了那儿。先爬到了一座山的山顶，从那儿我们欣赏到了优美的风景，然后又沿着陡峭的山坡到了下面的山谷。 from where引导的定
