The scientists are able to ____________ accurately when the spaceship will reach the moon.
A．accumulate B．calculate C．appoint D．estimate
－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 driver got out of the car_______it caught fire.
A．directly B．that C．unless D．until
__________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
Peter was fired again. He really didn’t know _____ went wrong.
A. why B. what C. where D. that
—I have some big news for you. You’ve been accepted as a member of our club.
--- __________That’s great!
A. Have I? B. Pardon? C. Congratulations! D. Good idea!
