How nice to go out for some fresh air a cool summer night! A. in B. on C. at D.
来源：网络
时间：
推荐文章
How nice to go out for some fresh air ________ a cool summer night!
A. in B. on C. at D. during
试题答案
B
具有某种具体意义的某天的“早晨”、“晚上”前，用介词on。