---What do you think of the person?---Seldom in all my life________ such a _________ person.

Tom is senior _______  most other students in our class .

In the eyes of a policeman, it's a usually very dangerous to get close to the _____criminal. He may do anything he would to escape.

_____ fighting is not allowed in our society, because we love peace and friendship.

Living in the city will surely put you in touch with people from ______ cultures．