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wewere(surprised)thattwentypercentofthestudentsdonotexercis

题目详情
we were _ (surprised) that twenty percent of the
students do not exercis
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答案和解析
we were surprised at that twenty percent of the students do not exercise.
对于20%的学生不锻炼,我们感到很惊讶.be surprised at sth 对……感到惊讶