When we passed the classroom,I heard someone______(cry)in it

When we passed the classroom,I heard someone______(cry)in it i heard someone___(cry)in the next room when i passed by 什么理 I watched her ___(dance) in the classroom when I passed yest When l passed the next room,l heard someone --- Chinese in i I heard them giggle when I passed by the girls. 四选一 When I passed the next room,I heard someone_____Japanese When I entered the classroom ,I heard them___. I heard someone______(sing) just now. I heard her in her room when I passed by. Ato sing when we heard the sad news,we coundn't help ( ).A.to cry B.c I heard him sing in the classroom改为被动语态? 英语单选：We ---- the classroom when we heard the bell.A.hurried