1.The policeman drove him out of the city.
2.The man drove the dog back.
3.The news drove the man into despair.
（1）A message will be sent immediately.
（2）All the goods must be sold by us.
（3）The parcel would be received by him in time as i told you.
（4）The letter has to be delivered by him by hand （说起来怪怪的）
（5）your letter must have been lost by them in the post.