That’s all for the introduction to your arrangements these days. So now ______ there are any questions, I’d like to go ahead and start the first video.
A．if B．unless C．until D．though
Don’t ______ personal information such as your name, telephone number and address until you feel comfortable.
A．give in B．give off C．give out D．give up
The London 2012 Olympic Games marks the third time that London ______ the right to host the modern Olympics.
A．had had B．has C．had D．has had
People planning trips home used to believe that only through the railway’s telephone ticket hotline ______ get their tickets efficiently.
A．they may B．could they C．shall they D．they would
In a sense, no country, big or small, should object to the trend of peace and development, ______ creating trouble to others.
A．constantly B．eventually C．finally D．immediately
--How many people have died in the bomb explosion?
---They say they’ve had reports that more than a hundred people died but cannot ______ this.
A．require B．advise C．demand D．confirm
