The girl is singing over there over在句中的意思是什么?

The girl which is singing is my sister 与The girl　who is singing is my sister都有么 The girl is singing now.She likes____(sing)verymuch. quiet ,girl ,singing, the, is, be连词成句 that girl is singing under the thee对划线部分提问is singing The girl is singing in the next room.就singing提问 （）（）the girl （） in the next room? The girl is well-known for singing.同义句The girl — — —— for singing listen to the girl,how well () A she sings B is she singing C she is singing D she singinglisten to the girl,how well ()A she sings B is she singing C she is singing D she singing The girl singing in the classroom is my sister 为什么不是The girl is singing in the classroom is my sister?为什么没有is? listen, the girl ___in the next room sings is singing sang sing ?但是答案is singing 是错误的。为什么？ The girl is singing along with the mnsic.The girl is my new friend.(合并成一 who is the girl?she is singing along with the music?合并成一句 The girl is going to take singing lessons.对划线部分提问划线部分是 take singing lessons.有点不懂, The girl is singing in the next room.(对singing进行提问） What ____the girl ____ in the next room? The girl is singing in the classroom (改为否定句和一般疑问句） Listen!The girl is singing a beautiful song in the classroom.She _______(sing)very well. in ( ) picture,the girl is singing 填the other还是 another?为什么?快 the boy is singing one of a girl is singing.》