1. Here is abus schedule at a bus stop .
schedule /ˈskedʒʊl; skɛdʒʊl/ 计划，安排 ，时间表
2. On most days, the buses come on schedule ,but sometimes they don’t .
on schedule 按时到达 on schedule rate 正点率
3. Yesterday ,for example ,several buses were late .
4. This is because the traffic yesterday was much heavier than usual .
5. Bus No.38 was supposed to come at 8:40,but it was 5 minutes late .
be supposed to 应该，被期望，被要求理应
be not supposed to 大概不至于不得
6. It didn’t come until 8:45 .
7. Bus No.60 was supposed to come at 8:30 .
8. Butyesterday it didn’t come until 8:40
9. It was 10minutes late .
10. Not one buscame early .
11. As result of the delays , one man got on the wrong bus .
12. He want to go to the airport ,so he wanted to get on the bus No.38 .
13. He expected it to come at 8:40 .
14. Instead ,he got on bus No.60, which came at 8:40 .
15. He didn’t notice that it was the wrong bus .
16. It didn’t go to the airport .
17. As a result , he missed his flight .
