Last year,he often heard Tom (sing) in next room

Last year,he often heard Tom (sing) in next room He is often heard -----in the next room.A sing B to sing C s he was often heard ()in the next room.A.to sing B.sing I often hear her _____ (sing)in the next room last year. He ____the song in the next room last night.A.was heard sing Millie si often heard sing in the next room改错 I often heard () (sing) in the room we often heard her sing in the next room 为什么动词不是ing形式的? I heard someone sing in the next room last night.语法有误吗? 16.He ____ to sing in the next room a moment ago.A.heard B.w Can you heard him ________________(sing)in the next room room sing the next they heard in 连词成句