哪种车祸，你必须向公路局报告？（）
A.有人受伤
B.有人受伤或者死亡
C.有人死亡
D.有财物损失，不论它的价值是多少
参考答案：B
John received an invitation to dinner, and with his work ___, he gladly accepted it.
A．finished
B．finishing
C．having finished
D．was finished
路由器的接口技术主要有局域网接口、( )和( )三种类型。
