在职攻硕英语考试

易错题:They are said ______ each other lon

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根据网考网考试中心的统计分析,以下试题在2019/6/9日在职攻硕英语习题练习中,答错率较高,为:43%
【单选题】They are said ______ each other long time before they met in Harvard University where they worked together on a research project.
A、to know
B、to have known
C、knowing
D、having known

网考网参考答案:B,答错率:43%
网考网试题解析:

[解析] to have known不定式完成式表示过去已经发生的情况。 document.getElementById("warp").style.display="none"; document.getElementById("content").style.display="block"; 查看试题解析出处>>

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