He was often heard sing .对么

he was often heard ()in the next room.A.to sing B.sing he was heard singing=he was heard to sing? Last year,he often heard Tom (sing) in next room He was heard _____(sing) at 9 p.m.yesterday. He is often heard -----in the next room.A sing B to sing C s i heard he （）（sing）at that time.为什么填was sing She was often heard ( ) in English.A.sing B.singing C.to sin she was often heard to sing in the morning.怎翻译 she was often heard in her own garden in the morning. a.sing I often heard () (sing) in the room just,to,he,sing,now,heard,song,was,this 如何造句 He ____the song in the next room last night.A.was heard sing