◎ 题干
It is ______ that Armstrong sent a message _____ that UFO appeared when Apollo 11 landed on the
moon.       
[     ]
A. saying; said                
B. saying; saying     
C. said; saying                
D. said; said
◎ 答案
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◎ 解析
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◎ 知识点
    根据魔方格专家分析,试题“It is ______ that Armstrong sent a message _____ that UFO appeared when Apollo 11 landed on themoon.[ ]A. saying; saidB. saying; sayingC. said; sayingD. …”主要考查了你对  【分词】  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。