1. The wine should be opened 3 hours before it is used.
2. Nails mustn't be hammered into the walls without permission.
3. Bicycles must not be left in the hall.
4. Books can be kept by members for three weeks.
5. Their complaints should be sent to the main office.
6. All the switches must be turned off before you leave the room.
7. An appointment must be made in advance.
8. The car might be stolen.
9. The room must be kept tidy.
10. The problem can't be solved by them.
11. The picture can't be restored by us.
12 - 15 chưa bt làm
Học tốt :)
fromphuongthao
