阅读下面短文，掌握其大意，然后从1～10各小题所给的四个选项A、B、C、中，选出最佳选项。
Have you ever been in a rush to get to school and had no time to eat breakfast? You are not _______. This has happened to many students. So should students be _______ to eat at school?
Some schools and teachers are _______ about food and drink at school. Students mustn’t eat in the classroom. Mrs. Hammond, an eighth-grade English teacher, says,“ I don’t ________ my students eating in the classroom, because they leave crumbs and wrappers（食物碎屑和包装纸）. They make a big ________ and it drives me crazy.”
Some teachers and students don’t think eating at school is a ________. Mrs. Deltenre, a Spanish teacher, says,“I think it’s OK ________ my students eat at school.”
Students usually get very hungry when it is close to lunch. Eating in the classroom can cause a mess, but “they really just have to ________ their mess. Students can do much better at school when they aren’t hungry.”
The effects（影响）of hunger on ________ is surprising. Teachers expect students to do well at school. But when students are hungry, they can’t concentrate on（集中注意力）their studies. They may keep looking at the clock.This is why students need to ________ to keep their brain working properly.
11. 12. | A．punished | B．allowed | C．trained |
13. 14. 15. 16. 17. 18. | A．put up | B．make up | C．clean up |
19. | A．education | B．society | C．culture |
20.
