第27题: [单项选择]More than 790,000 youths were reported to have ______ the National Master's Entrance Examination last year. A. sat on B. sat up C. sat in D. sat for 参考答案:D 答案解析:[试题分析] 动词短语辨析题。
[详细解答] sit on:(使)坐在……上:拖延,搁下,压下;sit up:坐起来,坐直;熬夜,不睡;sit in: 参加静坐罢工或示威;sit for:参加考试,