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The research team is said______another important discovery in physical chemistry
The research team is said______another important discovery in physical chemistry
游客
2025-02-28
7
管理
问题
The research team is said______another important discovery in physical chemistry.
选项
A、having made
B、having been made
C、to have made
D、to make
答案
C
解析
这是一道语法题,考点是动词不定式完成时的用法。to have made表示“已经做出”。
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