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Professor Johnson is said some significance ______advance in his research in the
Professor Johnson is said some significance ______advance in his research in the
游客
2023-11-24
26
管理
问题
Professor Johnson is said some significance ______advance in his research in the past year.
选项
A、having made
B、making
C、to have made
D、to make
答案
C
解析
用不定式的完成体形式表示过去意义。
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