相关试题
During the economic crisis, we should help those for ______life is far from easy．
| A．whom | B．whose | C．who | D．whoever |
Computers can do nothing．But once ______what to do, they show extraordinary power to do a great deal．
| A．to program | B．being programmed |
| C．programmed | D．having programmed |
_______ twice a year, whether it is a car or a bus or a
truck, is the rule that every driver must obey in this city．
| A．Being examined | B．Examining |
| C．Examined | D．Having been examined |
What a pity! ________joined in the party, I would have met my old friend．
| A．lf I have | B．Had I | C．I had | D．Have I |
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