安装工程一切险的保险金额是( )。
A．第三者责任B．物质损失C．物质损失和第三者责任D．以上答案均不正确
参考答案：C
— I'll tell Mary about her new job tomorrow.
— You ______ her last week. [ ]
A. ought to tell
B. would have told
C. must tell
D. should have told
发生挤岔事故应如何处理？
