1. (2019·天台模拟) 用方框中所给的词完成下列句子，使句子通顺、正确。每词限用一次。

A. pollute    B. advantage   C. themselves   D. twentieth   E. safety   F. unexpected

1. （1） She had the of a good education.
3. （2） They all seemed to be enjoying .
5. （3） Car buyers are more interested in than speed.
7. （4） Many things  water, such as trash and plastic bags.
9. （5） It was the most   piece of news one could possibly imagine.
11. （6） He wrote the music for some of the most popular songs of the  century.