Charles Babbage is generally considered ______ the first computer.A．to invent
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Charles Babbage is generally considered ______ the first computer.| A．to invent | B．inventing | | C．to have invented | D．having invented |
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答案
| C |
解析
| 不定式的动作发生在谓语动词之前，不定式要用完成时态。 |
举一反三
Henry escaped ____ by admitting his mistake.| A．being punished | B．having been punished | | C．having punished | D．punishing |
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It passes through their bodies, only _____ a little thicker and sweeter.| A．getting | B．to get | C．got | D．having got |
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Seeing the sun _____ above the surface of the sea we let out a shout of joy.| A．to rise | B．to raise | C．rising | D．raising |
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_____ a reply, he decided to write again.| A．not receiving | B．receiving not | | C．not having received | D．having not receiving |
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The child enjoyed _____ up the wooden bricks then knocking them down.| A．adding | B．pushing | C．piling | D．forming |
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