__________twice a year, whether it is a car or bus or a truck, is the rule that every driver must obey in this city.

 A．Examining      B．Examined       C．Being examined    D．Having been examined

The driver got out of the car_______it caught fire.

A．directly          B．that           C．unless            D．until

－Can I pay the bill by check?

－Sorry, sir. But it is the management rule of our hotel that payment ______ be made in cash.

A．shall                  B．need               C．will                     D．can

 The scientists are able to ____________ accurately when the spaceship will reach the moon.

   A．accumulate      B．calculate     C．appoint                D．estimate

－You couldn’t have chosen a better way to solve the issue, I think.

－________________.

A．Well, nothing much                 B．Oh, don’t complain about it

  C．Sorry, but I’ll find a better one         D．Thanks a lot.

 Now, thanks to the government’s quick reaction, thousands of children who would otherwise have died___________.

   A. would be saved                           B. are saved    

   C. had been saved                           D. have been saved

She has waited for the guest for two hours and reached the ________ of her patience.

   A. limit           B. top              C. point             D. need

 The traffic slowed down because of the heavy snow in Yushu County, presenting a new _____ to the discovery from the earthquake.

A. suffering        B. disaster          C. damage            D. challenge

It was early in the morning and the traffic was _________.

   A. fluent           B. free             C. light             D. little

Don’t you know that the famous university is as a matter of fact ______ used to be a church?

   A. where             B. what             C. which                D. one