keep the windows[ ]so that wind can blow in.

问题描述:

keep the windows[ ]so that wind can blow in.
A;close
B;closed
C;open
D;opened
必须有理由

keep the windows[ ]so that wind can blow in.
A;close
B;closed
C;open
D;opened
必须有理由
答案:C
把窗户开着让风吹进来
:)