根据句意及首字母提示补全单词。

1. There's a s _____ "When in Rome, do as the Romans do. "

2. W_____ like traveling when they are free.

3. In China, dinner is usually s_____ at around 12 o'clock.

4. A year l_____, he went to college.

5. C_____up, perhaps we'll win the next time.

6. C_____ are only used when people eat Chinese food.

7. At the s _____ of a meal, if you're the guest, you'll be invited to serve yourself.

8. There was no e _____ for that accident.

9. Please be careful when you c_____ the street.

10. G_____,  fewer dishes are prepared in western countries than in China.

11. You are e_____ to stay here for another hour if you like.

12. My p_____ is filled with some meat.