People in China usually stay ___ the open air __ the night of Mid---Autumn DayA at in B in on C in at D at for要说明原因
问题描述：
People in China usually stay ___ the open air __ the night of Mid---Autumn Day
A at in B in on C in at D at for
要说明原因
答
in at
选C
中国人通常在中秋之夜在户外(赏月)
答
C
stay in
v.呆在那里
open air
n.
室外，露天，野外
Mid---Autumn Day:中秋节
这句话的意思：在中秋节的晚上，中国人通常都是呆在户外（赏月）。
答
选B
in the open air 在户外/屋外
On the night of Mid-Autumn Day 在中秋节的晚上
具体节日/日期的傍晚要用on