2.Listen!Someone ____ in the next room.A.sing B.singing C.is

2.Listen!Someone ____ in the next room.A.sing B.singing C.is 1..Listen!A boy in the next room.A.sings B.is singing C.sang I often hear her( )in the next room.a/sing b/is singing c/to Listen!I hear the girl ( ) in the next room.A.singing B.sing listen!Someone ____ (sing) in the room. I heard him ____ in the next room just now.A.singing B.sing listen!she（）in the classroom.A.is singing B.sing C.to sing D Listen!There _____ someone singing in the next room . Listen!someone ——（sing）in the next room. 单项选择.Listen!The boy is ____ .A、sings B、sing C、singing 句子“listen!there is someone singing in the next room"时态是现在进行时 Listen!Who ____?A.singing B.is sing C.is singing