.A powerful earthquake struck Haiti, ______ tens of thousands of homeless and buried in ruins.
| A．left | B．to leave | C．leaving | D．being left |
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—Haven’t I told you that I like the beef well-done?
—Yes, but I _______ it longer than I usually do.
| A．was cooking | B．cooked | C．had cooked | D．will cook |
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How long do you think ______ the Ford company launches a new model?
| A．it will be before | B．will it be until | C．will it be when | D．it will be that |
.
Class regulations require ____is the last to leave the classroom ___off all the lights.
| A．who; should turn | B．whom; shall turn | C．whomever; turns | D．whoever; turn |
.
With Shanghai World Expo drawing near, volunteers are making use of every minute to _______ their foreign language because language volunteers must pass a written test and an interview.
| A．polish up | B．take up | C．put up | D．make up |
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The April 10, 2010 air crash, with a Russian Tu-145 plane _______ Poland’s president Lech Kaczinsky, his wife and many Polish government and military officials, shocked the whole world.
| A．carried | B．being carried | C．carrying | D．to carry |