|1. It's impolite to make _____ (noise) while eating noodles.|
2. By reading this article, we can learn about table _____ (manner).
3. At that time, all the questions _____ (crowd) my mind.
4. When I first ate in a _____ (west) restaurant, I didn't know what to do.
5. We should speak to old people _____ (polite).