题目内容
This monument was built in honor of the scientist who was believed ______ the first telephone.
| A.to invent | B.to have been invented | C.to have invented | D.having been invented |
C
解析
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题目内容
This monument was built in honor of the scientist who was believed ______ the first telephone.
| A.to invent | B.to have been invented | C.to have invented | D.having been invented |
C
解析