单项选择题

The monument was constructed in honor of the explorer who was believed () the river.

A. to have discovered
B. to have been discovered
C. to discover
D. having been discovered

<上一题 目录 下一题>
热门 试题

单项选择题
Many cities in the southern part of the United States have difficulty () traffic flowing when it snows.

A. kept
B. keeping
C. to keep
D. in being kept
单项选择题
He looks as if he （）nothing about the news.

A. would know
B. would have known
C. knew
D. should know
相关试题