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Harry,whohadfailedinthefinalexam,hadagreatworryhismindA:onB:toC:withD:at

题目详情
Harry,who had failed in the final exam,had a great worry________ his mind
A:on B:to C:with D:at
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答案和解析
Harry,who had failed in the final exam,had a great worry__A:on ______ his mind
心里很担心