根据句意，用括号中所给单词的适当形式填空。

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).

马克思：唯物史观

A．新民主主义理论：毛 * *

B．列宁：武装斗争理论

C．邓 * * ：改革开放理沦

D．思格斯：科学发展观