2. 职称英语
  3. I am sure Mary has been here and______.A、did what required herB、has done what r

I am sure Mary has been here and______.A、did what required herB、has done what r

游客2023-11-17  1
问题 I am sure Mary has been here and______.
选项 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
答案 C
解析 该题是语法结构和词汇题，考查时态和动词require的用法。该句中and用来连接Mary has been here和另外一个分旬，既然第一个分句用的是现在完成时态，第二个分句也要使用相同的时态，所以选项A和选项D可以排除。动词短语require sth．of sb．常用被动形式，即sth．be required of sb．，如：What exactly is required of a receptionist?接待员的职责到底是什么?因此，根据题意和语法规则，选项C为最佳答案。
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