[-A90] My sister,an inexperienced rider,was found sitting on

[-A90] My sister,an inexperienced rider,was found sitting on [-A56] My sister,an inexperienced rider,was found sitting on My sister,an inexperienced rider,was found sitting on the bi My sister an inexperienced rider was found sitting on the bi 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 My sister was born in 1991.与My sister was born on October9,1 英语完形填空 I was sitting at my computer desk.Eric was ----- on t An 80-year-old man was sitting on the sofa in his house alon 小题1: An old man was sitting on the bench and _______ the bir A man was sitting in a cafe,____the sad music playing on an