Questions 16 to 18 are based on the passage you have just heard.

单项选择题A．Give him a lift.B．Find Alfred Foster.C．Check the passenger list.D．Search all suspicious cars.

单项选择题A．They themselves would like to do it but don t dare to.B．It s an opportunity for relieving their tension.C．It s a rare chance for them to see the boss lose face.D．They have seen this many times in old films.