在我们回家的路上，我们目睹了一起交通事故。
你上学路上目睹了一起交通事故，一位老太太被一个溜滑板的外国青年人撞倒了。你对外国青年人说。
When you cross the road, you should look to the right, not the left. If you did that, you would have seen the old lady.
你上学路上目睹了一起交通事故，一位老太太被一个溜滑板的外国青年人撞倒了。你对外国青年人说。
When you cross the road, you should look to the right, not the left. If you did that, you would have seen the old lady.
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