题目内容
The monument was built in honor of the explorer who was believed _____ the river.
A. to discover B. to have been discovered
C. to have discovered D. having been discovered
C
解析:
略
练习册系列答案
相关题目
题目内容
The monument was built in honor of the explorer who was believed _____ the river.
A. to discover B. to have been discovered
C. to have discovered D. having been discovered
C
略