15.The top leaders of the two countries are holding talks in a friendly ____.

A.atmosphere B. state C. situation D. phenomenon

16. What's the ____ of having a public open space where you can’t eat,drink or even simply hang out for a while?

A.sense B. matter C. case D. opinion

15. 答案是A,

atmosphere,talk in a friendly atmosphere 在友好的气氛中进行交谈

16. 答案是A,

拥有这样一个你不能吃，不能喝甚至不能动的公共开放场所有什么意义呢？ Sense 意义；matter 问题，麻烦；opinion 意见，看法 句型:What's the sense of doing sth..?干某事有什么意义？