首页 > ________ as the “first lady of speech”，Dr, Lillian Glass is recognized as one of the world's le

________ as the “first lady of speech”，Dr, Lillian Glass is recognized as one of the world's le

题目简介

________ as the “first lady of speech”，Dr, Lillian Glass is recognized as one of the world's le

题目详情

________ as the “first lady of speech”，Dr, Lillian Glass is recognized as one of the world's leading experts on communication skills.

A．Knowing	B．Having known
C．Known	D．To be known

题型：单选题难度：中档来源：不详

答案

C

根据句意及句子结构可知，句子的主语Dr，Lillian Glass实际上就是选项动词的主语，相当于As he is known as...引导的原因状语从句，为被动结构，故选过去分词known。

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