22.The city of Rome has just passed a new law to prevent cruelty to animals,which many people say can___the civilization of a city.
The young man insisted that he _____ nothing wrong and _____ free.
He is talking so much about America as if he _____ there.
________ is impossible for us to offer him any help.
So excited was the winner that he couldn’t say any word to his feelings.
How dirty the floor is! You should have someone _____ it at least twice a day.