|
|
|
A. You mustn’t make things into a neat pile. B. You mustn’t bring oversized boxes. C. You mustn’t come into this place. D. You mustn’t put reused things in this place. |
|
|
|
A. You should throw waste paper into the right place. B. You mustn’t sleep here. C. It’s wet and slippery so you should be careful when come into this place. D. You can play football here. |