主动语态改为被动语态1.We often use a recorder in our English class.2.T

1。A recorder is often used by us in our English class。2。A new film will be shown by them next week。3。When did the house built by them?4。The boy seen by me entered the room。5。Will a new film shown by them next week?6。Have the letter posted by them yet?7。He often seen by us when he helps his classmate。8。The light must be turned off before you go to bed。9。All the texts should be learned by the student by heart。奥奥,可能会有错,你先用吧爱你的猫