◎ 题干
—Sorry I can' t work out this  problem.
—Try again, please. It's only _____ difficult.  
[     ]
A. a bit of                    
B. a lot  
C. a little                    
D. much too
◎ 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“—Sorry I can' t work out thisproblem. —Try again, please. It's only_____ difficult. [ ]A. a bit of B. a lot C. a little D. much too…”主要考查了你对  【不定代词】  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。