一道根据汉语意思填词的英语题.

问题描述:

一道根据汉语意思填词的英语题.
The traffic rules _____ _____ ______ ______ (在保证```方面起作用) the safe of people‘lives.
Deng Yaping ____ ____ ____ (曾以```而著名)"The Queen of pingpang" in the world before.

1、play a role in
2、was famous as