最佳答案：前边用介词on，例如：1.One day, they met by chance on road and then went to drink in a restaurant together.一天，
前边用介词on，例如：
1.One day, they met by chance on road and then went to drink in a restaurant together.一天，两人偶然在路上相遇，便一齐到酒馆喝酒。
2.Did you hear about the girl who was so keen on road safety that she always wore white at night?你听说过那个女孩吗？她那么担心交通安全，总是在晚上穿着一身白衣服。
