学帮网It's so cold outside.Please keep the door and the windowsA.to closeB.closingC.closedD.close 为什么不是B
来源：学生作业学帮网 编辑：学帮网 时间：2024/05/13 06:03:30
It's so cold outside.Please keep the door and the windows
A.to close
B.closing
C.closed
D.close
为什么不是B
C.closed
keep sth+形容词
closed 关着的
closing不做形容词