My sister,an inexperienced rider,was found sitting on the bi

My sister,an inexperienced rider,was found sitting on the bi My sister an inexperienced rider was found sitting on the bi [-A56] My sister,an inexperienced rider,was found sitting on [-A90] My sister,an inexperienced rider,was found sitting on My sister was found sitting on the bicycle trying to balance when I visited him the other day,I found him sitting on an a The girl sitting on my left is my sister.中sit为什么要用进行时 小题1: An old man was sitting on the bench and _______ the bir An 80-year-old man was sitting on the sofa in his house alon an old man who was sitting on the deck offered me a beautifu The patient's sister was sitting outside the operating room sitting on the sofa,my father was reading the news-paper.