and到底什么时候前面要加逗号,我知道and also前面要逗号,但是and连接两个单词和句子好像都不需要逗号在and 前面,是不是递进的时候,and 前有逗号,eg.He finished his work,and went to sleep.
问题描述:
and到底什么时候前面要加逗号,我知道and also前面要逗号,但是and连接两个单词和句子好像都不需要逗号在and 前面,是不是递进的时候,and 前有逗号,eg.He finished his work,and went to sleep.
答