Birds" singing is sometimes a warning to other birds ______ away.A．to stayB．stay
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Birds" singing is sometimes a warning to other birds ______ away.| A．to stay | B．staying | C．stayed | D．stayed |
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答案
| A |
解析
| 考察非谓语动词。本题考查非谓语动词做目的状语的情况，空格置于句中，主谓与to do之间无逗号间隔，译为“为了”。句意：鸟叫有时是为了警告其他的鸟远离他们。 |
举一反三
We’ve had a good start, but next, more work needs _____to achieve the final success.| A．being done | B．do | C．to be done | D．to do |
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Time, ________ correctly, is money in the bank.| A．to use | B．used | C．using | D．use |
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The lecture, _____at 7:00 pm laze night, was followed by an observation of the moon with telescopes.| A．starting | B．being started | C．to start | D．to be started |
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The old couple often take a walk after supper in the park with their pet dog them.| A． to follow | B． following | C． followed | D． follows |
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