秘书应在开放参观活动（）将宣传小册子发给来宾。
A.结束时
B.中间
C.开始
D.之后
参考答案：C
——Mike, have you heard that Mr. Black knocked down a girl and hurt her badly yesterday morning.
——Yeah. He_____too fast to stop his car while the girl was crossing the street.
A．was driving
B．drove
C．had driven
D．would drive
带内信令
