Professor Johnson is said ______ some significant advance in his research in the past year.[1999]

admin2015-04-26  34

问题 Professor Johnson is said ______ some significant advance in his research in the past year.[1999]

选项 A、having made
B、making
C、to have made
D、to make

答案C

解析 It is said to do表示“据说做了……”,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”,因此选项C正确。
转载请注明原文地址:https://kaotiyun.com/show/iqHK777K
0

最新回复(0)