基本句子结构：
S + LV + N ( 主语 + 系动词 + 名词 )

6. Our museums, galleries, and built and natural _______ are _______________________.
博物馆、展览馆以及人造和自然的遗产是非常好的教育资源。

7. ________________________ is _______________________.
死刑的废除是个具有争议的事件。

8. ______________________________ are very much a luxury of developing countries.
环境保护和保护生物多元化对于发展中国家是个奢侈的东西。

9. TV is ______________________.
电视是个消磨时间的东西。

10. Playing video games is ________________________.
打游戏机是个费时的爱好。

答案:
6. heritage, excellent educational resources
7. The abolition¹ of capital punishment, an issue of controversy²
8. Environmental protection and the protection of biodiversity
9. a time-filler
10. a time-consuming hobby.