河南省林州市第一中学高中英语Unit5ThepowerofnatureGrammar-动词-ing形式作状语练习新人教版选修6

动词-ing形式作状语【观察】观察下列几组句子中动词-ing形式的用法，然后加以总结。1. a. The children ran out of the room, laughing and talk