1. If you miss the last bus, you may/might be late! (或 you will probably be late!)
2. This sentence (或 saying) is very useful （或 practical!）
3. I believe (或 am sure) that students will follow these instructions /directions.
4. We should have the same confidence in learning /study as a surfer has in surfing.
5. This is the end of my speech. (或 My speech is finished /over /ended). Thank you!
** 猫迷英语专家团提供【Real.American.English.】