用英语造15个祈使句关于学校的

1. Don't be late next time.
2. Hand in your homework in time.
3. Pay more attention to your spelling.
4. Don't sleep in class.
5. Listen to the teacher carefully in class.
6. Don't make any noise in class.
7. Put up your hand if you have any questions.
8. Class begins.
9. Class is over.
10. Answer the following questions in English.
11. Come to the blackboard and write your answers here.
12. Let's go to the playground.
13. Come and play basketball with us.
14. Turn off the lights when you leave the classroom.
15. Clean the blackboard.

Never be late again. 千万别再迟到了。
Attention! 立正！
To the playground, everyone of you! 到操场上去，你们每个人都得去！
Put up your hands. 举手。
Everyone keep quiet! 大家安静!

Don't leave rubbish.
Don't eat or drink in the library.
Don't run in the classroom.
Don't make a loud noise.
Don't write on your desks.
Don't pick the flowers.
No smoking.
No litter.