______ to somebody, a British person often shakes hands with the stranger.
| A．Introducing |
| B．To introduce |
| C．To be introduced |
| D．On being introduced |
—Why did you leave the lights burning?
—Heavens! I guess Ito turn them off.
| A．would forget | B．had forgot | C．forgot | D．have forgot |
The sandstorm_ for several days，which left a terrible sight across the west.
| A．kept off | B．kept away | C．kept back | D．kept up |
Mary feltfrom the outside world, since she lacked an Internet connection and couldn’t receive any e-mail.
| A．cut down | B．cut in | C．cut off | D．cut out |
How long do you think it will beChina becomes a rich and harmonious country?
| A．before | B．after | C．since | D．when |
If Tom’s wife doesn’t go to the party,.
| A．he doesn’t either | B．neither will he | C．neither doesn’t he | D．either will he |