Listen!Who is singing in the next room?这里为什么要用singing

listen!who is singing the song _____(happy) listen,who is singing in the classroom?变成 are who is listen to music over there错在哪 Who ___(listen) to English yesterday?A.will li8sten B.listened C.listen D.is listening Listen!Who ______ an English song?A.sings B.sing C.is singing D.is dancing Listen!Who ____?A.singing B.is sing C.is singing Listen!Who is singing in the next room?这里为什么要用singing Listen!This is ___ I want to sayA.that B.who C.which D.what Listen!there`s a k______ at the door .who is it ' Listen!Someone is singing next door.Who ( ) it be?填can还是may? Listen Who ________?A.sings so well.B.is singing so well. Who _____ (listen)to the teacher?----Mary is.适当形式填空 ——Listen!Who is singing in the next room?——Gina _____.（完成对话）为什么? who is who is Listen!Who ___ in the next room.A.is playing the piano B.plays the piano C.is playing pianoD.plays piano 选择并语法说明 is so pleasure to listen listen,she is singing b___