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>>
发布评论 查看全部评论