listen!who is singing the song _____(happy)

listen!who is singing the song _____(happy) listen,who is singing in the classroom? ——Listen!Who is singing in the next room?——Gina _____. Listen!The girl is singing a beautiful song in the classroom Listen!Who is singing in the next room?这里为什么要用singing listen how _____ (wonderful) she is singing Your eyes singing the song is not listen.Sue is singing an english song 怎么翻译 为什么用is singing 说得 Listen,the bird_____(singing,is singing)in the tree. Listen!Judy is singing( )(happy)in her room. Listen!The children are singing orer there .How happy they__ Listen!Who ____?A.singing B.is sing C.is singing