根据网考网考试中心的统计分析,以下试题在2015-12-22日专四专八考试专四考试习题练习中,答错率较高,为:98%
【单选题】I am sure Mary has been here and . ()
A. did what required her
B. has done what required her
C. has done what was,required of her
D. did what has been required of her
参考答案:C,答错率:98%
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