I am out there in the football field and running after the flying ball中为什用runningand后为什么用 running

分类: 作业答案 • 2022-04-15 10:06:19

问题描述：

I am out there in the football field and running after the flying ball中为什用running
and后为什么用 running

答

等于I am out there in the football field and I am running after the flying ball.
其中I am省略了.