....development and health. (41) The mistakes have been ...
4. 前后句子意思的衔接。
[A] To make revising easier leave wide margins and extra space between lines so that you can easily add words, sentences,and corrections. Write on only (one side )of the paper.
(2008) 由A项第一句可判断,在A项之前,大概率在讲revising