分类：教育/科学-学习帮助
问题：单项选择9.thestoryisveryinteresting. 
9.the story is very interesting.why _______ s down and watch it.a.not b.don't c.not to d.to not
回答：a.not 
why not do sth 
为什么不做某事   ---建议去做某事