(2011·北京高考)It"s important for the figures______regularly.A．to be updatedB．to hav
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(2011·北京高考)It"s important for the figures______regularly.| A．to be updated | B．to have been updated | | C．to update | D．to have updated |
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答案
| A |
解析
| 选A 考查非谓语动词。句中的时间状语regularly 表示经常发生，因此排除B、D两项； 又因为figures 是被更新的，故选A项。 |
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