The girl sitting on my left is my sister.中sit为什么要用进行时

Look,the little girl is sitting on the __oo_ . girl sitting volleyball the the on is( )连词成句 the girl is sitting there quiet改病句,Does the sign on the cage interesting Sitting on the train Look,the little girl is sitting on the ( ).括号里用“带有oo”的单词回答 the girl is sitting on the woman 's knees.（改为一般疑问句） The girl sitting on my left is my sister.中sit为什么要用进行时 the girl sitting here the girl who sat here The girl who was sitting 改成定语从句哪一句对 the people sitting on the chair the boy is sitting on a chair Sitting On Top Of The World 歌词 he is sitting on the fence The girl sitting ( ) my left is my sisteratinonto do you konw the girl sitting there?改句不改意 whos the little girl sitting ( )a big tree 填空；Look the little girl is sitting on the __________填入一个_ _ o o _的五字母单词! The young girl sitting next to me on the plane was very nervous. She __________ before. hasn't flown didn't fly hadn't flown wasn't flying The girl sitting next to me on the plane was very nervous,for she （）（not fly）before 动词填空