I am out there in the football field and running after the flying_其他解答

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

人气：405 ℃　时间：2020-02-05 00:28:34

解答

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.