问题补充:
I have a dream that we will one day live in a where we’ll have a lot of trees and fresh air.
A. state
B. country
C. nation
D. space
答案:
A. state
(答案→)B. country
C. nation
D. space
解析:根据从句的含意,应选country,表示“地方,乡村”。选项A强调“国家,政府”;选项C强调“全国人民”;选项D意为“空间;间隙”。