【单选题】【消耗次数：1】
We could ask someone to do the work privately without it __________.
①
know
②
be known
③
being known
④
to be known
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相关题目
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The better the elderly people are known, they are.
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the happier
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the happy
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so happy
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very happy
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Charlotte Bront?’s
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Oscar Wilde
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personality
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-- Wow! This is a marvelous room! Ive never known youre so artistic.--______
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Oscar Wilde is considered to be the best-known English dramatist since Shakespeare.
①
正确
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错误
【判断题】
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肺静脉血流速度亦增快
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以上均正确