Fossils of Aplant that have Bbeen extinct for Cfifty million years have been fou

游客2025-04-05  0

问题 Fossils of Aplant that have Bbeen extinct for Cfifty million years have been found in large deposits of amber Dnear the Baltic Sea.

选项 A、 
B、 
C、 
D、 

答案 A

解析 与后面的have been extinct相搭配,此处的plant应是复数。
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