Professor Johnson is said______some significant advance in his research in the p

游客2023-10-31 19

问题 Professor Johnson is said______some significant 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

解析非限定动词题。It is said to do表示“据说……”，不定式的完成式to have done表示不定式的动作先于谓语动词前完成，而本句中的“去年的研究取得重大进展”先于“据说”，因此[C]to have made为本题的正确答案。

转载请注明原文地址:https://tihaiku.com/zcyy/3147397.html

相关试题推荐

随机试题

最新回复(0)

[A]disabled[I]suffering[B]significantly[J]unhappy[C]related[K]life