◎ 题干
In 1863, President Lincoln issued a declaration calling for the last Thursday of November_______ as
a day of thanksgiving.
[     ]
A. being observed      
B. observed        
C. observing          
D. to be observed
◎ 答案
查看答案
◎ 解析
查看解析
◎ 知识点
    根据n多题专家分析,试题“In 1863, President Lincoln issued a declaration calling for the last Thursday of November_______ asa day of thanksgiving.[ ]A. being observedB. observed C. o…”主要考查了你对  【不定式的被动式】  等知识点的理解和应用能力。关于这些知识点的“档案”,你可以点击相应的链接进行查看和学习。