题目内容
The monument was built 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 |
A
解析
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题目内容
The monument was built 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 |
A
解析