they decided to hold the party ___(在户外) instead of in the house. (air)
问题描述：
they decided to hold the party ___(在户外) instead of in the house. (air)
答
out of doors
in the open air
答
应该是 in the open air ~
答
不过户外么,自然是outdoor了...
好吧不错,我想歪了,是 in the open air.
答
in the open air