we sat around singing songs.为什么sing要加ing?

We all sat around the cake we sat around singing songs.为什么sing要加ing? we sat around the fire,（ ）a.laughed b.laugh c.laughing d.to laugh考的是什么知识点, 我们围坐在蛋糕周围,看他许愿.we sat around the cake and saw him a ____ ____ There are many flies around the trashcan.对划线部分 many flies 提问怎么改?还有We sat near the window so we could enjoy watching outside.对划线部分so we could enjoy watching outside 提问怎么改? At the party,we sat around the table---and----A singing talking B sang laughed C to sing to speak 为什么选A 啊?其他哪错了!快! we will let the world around us How can we make it around. 1.helen gave much___(bleed)to help save the little boy althougu they don't know each other.2.frank___(hurt)his back badly when he worked.3.we sat around the fire to keep___(we)warm.4.in europe,people eat with forks and___(knife).5.we all know the___( Several young girls were ( ) looking bored.A.sat back B.sitting in C.sat down D.sitting around要原因顺便说一下sat back ,sitting in ,sat down ,sitting around.的区别 帮我批改SAT作文.Do we need others to know ourselves?We indeed need others to know ourselves.People around us play an important role on our self-cognition.They take on two different sources of information for us to have deeper insights into ours SAT SAT Sat sat sat SAT SAT