mary is often heard ( )playing piano in the next room in the

mary is often heard ( )playing piano in the next room in the The girl is often heard _______ in the next room. 这句话分析句子结构I often heard her playing the piano in the room las The girl is often heard ___ in next room Who is playing the piano in the next room?_______ is Li Ping Listen!Who ___ in the next room.A.is playing the piano B.pla Millie si often heard sing in the next room改错 --Listen!Is kate playing the piano in the room? He is often heard -----in the next room.A sing B to sing C s The girl was heard _____ the piano in the next room .A.play Who is playing the guitar in the next room? l heard her（ ）the piano in the next room at 10 last night