He often sees her sing in the classroom有错么?为什么?
He often sees her sing in the classroom有错么?为什么?
We often see him sing in the classroom为什么sing不用加s啊?
Listen Joan (sing)in the classroom .She often (sing)there.
We often sing in the classroom.(sing划线) ____________________
he wasn't heard to sing in the classroom.为什么是to sing,不是singi
We often hear her sing in the next room中为什么用sing而不用sings
改被动:We often hear them sing in the classroom.
we often heard her sing in the next room 为什么动词不是ing形式的?
I often hear her _(sing) in the morning ,填什么?为什么
I often hear the lonely girl sing in her room
l often see her—— (sing) in the park
He often _____(hear) ______(sing) in the room