the town hall ____in the 1800's was the most distinguished building at that time.
问题描述：
the town hall ____in the 1800's was the most distinguished building at that time.
这题选completed.为什么不选having been completed.翻译成 在1800年已经被建成的~成为最特色的建筑.
谢
答
参考：主要靠点为非谓语动词非谓语动词是动词的非谓语形式.动词一般在句子中充当谓语.在句中可起名词,形容词,副词的作用,在句中充当主语,宾语,表语,补语,定语或状语.即动词的非谓语形式除了不能独立作谓语外,可以承...