◎ 题干
— It remains ______ whether Dave will be fit enough to play in the finals.    
— Oh, no! Without him, we will lose the game.
[     ]
A. seen       
B. to be seen     
C. seeing          
D. to see
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◎ 解析
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◎ 知识点
    根据n多题专家分析,试题“— It remains ______ whether Dave will be fit enough to play in the finals.— Oh, no! Without him, we will lose the game. [ ]A. seenB. to be seenC. seeingD. …”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。