◎ 题干
— Is there a ______ as to when I should return the book? 
—  Yes. You have to put it back here no later than next Friday.
[     ]
A. boundary
B. limit
C. length
D. degree
◎ 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“— Is there a ______ as to when I should return the book?— Yes. You have to put it back here no later than next Friday. [ ]A. boundary B. limit C. lengthD.…”主要考查了你对  【名词】  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。