I often hear the boy ()English in the next room.A read B rea

I often hear the boy ()English in the next room.A read B rea i often hear a boy （） the piano in the next room I often hear her( )in the next room.a/sing b/is singing c/to I often hear him _____ ( sing ) in the next room. 单项选择 1·I often hear her ___ in the next room.A`sings B`singi I am busy _____ English in my room.A.to read B.reading C.rea Listen!I hear the girl ( ) in the next room.A.singing B.sing I can hear a girl ______the violin in the next room A.play B I often hear her sing in the next room.We must repair the co I often hear him _____ ( sing ) in the next room.为什么答案上要求加in I often hear her _____ (sing)in the next room last year. I often hear him（）in the next room.（sing）