标牌如何分类
参考答案：？（1）禁止类；（2）警告类；（3）允许类；（4）设置类
It was lack of money, not of effort, _____ defeated their plan.
A．which
B．as
C．that
D．what
675，225，90，45，30，30，（）。
A．27
B．38
C．60
D．124
