我们国家在下岗失业人员的培训和再培训工作还很缺失。
参考答案：对
________you were coming，I would have stayed at home.
A．If I know
B．Should I know
C．Had I known
D．If I should have known
在西方，最早的国家形式是城邦，城邦以一个城市为中心，包括其周围面积有限的农村
