_A Chinese runner,Liu Xiang,rushed to the ending line _______a surprising speed.
| A．at | B．by | C．through | D．with |
In China when caught, those corrupt(腐败的) officials are sometimes limited to _________ in a certain place, only __________ their problems within an appointed time(规定的时间).
| A．living, to report | B．living, reporting |
| C．live, reporting | D．live, to report |
Had it not been for the fact that about 30 pupils __________ in the state of Connecticut a fortnight ago, their parents ___________ in deep sorrow now.
| A．had been killed, wouldn’t be |
| B．were killed, couldn’t be |
| C．would have been killed, mightn’t be |
| D．should be killed, wouldn’t be |
________, you'll never be able to persuade him.
| A．However hard may you try |
| B．Try however hard you may |
| C．Hard as you may try |
| D．Try hard as you may |
Experts have found that the disease will lead to a greater increase in the number of sufferers unless ________ seriously when the symptom first appears.
| A．treated | B．to be treated |
| C．being treated | D．be treated |
What shall we use for power when all the oil in the world has ________？
| A．given out | B．put out |
| C．held up | D．used up |