I heard the birds____(sing)in the forest just now 请问这里用sing

I heard the birds____(sing)in the forest just now 请问这里用sing I heard her___ in the next room just now.A sing B singing I heard him ____ in the next room just now.A.singing B.sing 翻译英语被动句 I HEARD HER SING THE SONG JUST NOW SHE WAS HEARD TO In the country,I can hear the birds____.填sing or singing? I often heard () (sing) in the room I heard someone______(sing) just now. we heard a girl sing in the next room just now的被动语态是什么 I heard him_____in the next room just now.A singing B.sing He heard someone singing in the next room.请问这里的宾补sing为什么加的是i I heard someone sing in the next room. 为什么用 sing I sing a beautiful song in the forest