The Chinese scientists claimed _______ a cure for the disease． A. having discovered B. discovering C...
2022-09-12 18:00:23 188次 黑龙江省2018-2019学年高二上学期期末考试英语试卷 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
The Chinese scientists claimed _______ a cure for the disease．
A. having discovered B. discovering
C. to have discovered D. that they discover
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