In theceremony party, the chairman thanks the working staff _____their contribution. A. for B. about...
2022-10-13 00:53:24 59次 上海市2017-2018学年七年级上学期期中测试英语试卷 单选题 反馈错误 加入收藏 正确率 : 100%
题目内容：
In theceremony party, the chairman thanks the working staff _____their contribution.
A. for B. about C. of D. to
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