◎ 题干
He is ready to help others, seldom, ______ refusing them when they turn to him.
[     ]
A. if never        
B. if ever        
C. if not      
D. if any
◎ 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“He is ready to help others, seldom, ______ refusing them when they turn to him.[ ]A. if never B. if ever C. if not D. if any…”主要考查了你对  【从属连词】  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。