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Professor Johnson is said______some significant advance in his research in the p
Professor Johnson is said______some significant advance in his research in the p
游客
2024-10-06
1
管理
问题
Professor Johnson is said______some significant advance in his research in the past year.
选项
A、having
B、making
C、to have made
D、to make
答案
C
解析
(be said)to have done sth.意为“据说已经……”。本题考查不定式及时态的用法。to have done sth.在该句可以满足(be said)to do sth.的习惯用法,又因为不定式动作发生在主句动作之前,故C符合要求。
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