Susan is singing in the classroom.对singing提问 Frank never see
Susan is singing in the classroom.对singing提问 Frank never see
They are singing in the classroom.对"are singing"提问
They are singing in the classroom.对are singing 提问
31.—Who is singing in the classroom — must be Susan .A
A:who is singing in the classroom
listen,who is singing in the classroom?
The birds are singing in the tree.对singing提问
They are singing(in the classroom.)对打括号部分提问
Who is singing in the classroom?I want to know
The girl is singing in the next room.就singing提问 ()()the girl
everyone is good at singing in our class 对singing提问 ( ) () e
英语题;they are singing in the classroom改为否定句,对in the classroom