Professor Johnson is said______ some significant advance in his research in the

游客2025-05-04 51

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 be said to…为习惯用法，表示“据说……”，且句中说“研究取得进展”是在“据说”前发生的事实，所以要用不定式的完成式。故C项正确。

转载请注明原文地址:http://tihaiku.com/zcyy/4061152.html

相关试题推荐

随机试题

最新回复(0)

It’samazingthattworesearchersworkingindependentlymadethesamediscovery