_____________to somebody，a British person often shakes hands with the stranger.
| A．Introducing | B．To introduce |
| C．To be int．roduced | D．On being introduced。 |
He didn’t make clear when and where the meeting would be held.
A. this B. that C. it D these
It's high time that we students ______ even harder at our lessons as the national entrance examination is coming nearer.
| A．work | B．will work | C．worked | D．have to work |
Although she is only 17 years old, she _________ drugs for two years.
| A．Addicts | B．has addicted to | C．has addicted | D．has been addicted to |
The great success of this program has been largely _____ the support given by the 10 local business men.
| A．instead of | B．thanks to | C．due to | D．as a consequence |
He risked __________ his job to see me off.
| A．Losing | B．to risk | C．being lost | D．Lost |