◎ 题干
—Is Bob still performing?  
—I'm afraid not. He is said _____ the stage already as he has become an official.    

A. to have left              
B. to leave    
C. to have been left        
D. to be left
◎ 答案
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◎ 解析
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◎ 知识点
    根据n多题专家分析,试题“—Is Bob still performing? —I'm afraid not. He is said _____ the stage already as he has become an official.[ ]A. to have left B. to leaveC. to have been l…”主要考查了你对  【不定式的完成式】  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。