When you get involved in sports, a lot of racial____are broken down because players developed friendship quickly. 

The young man comes from a(n) ________ family，who owns several companies in London and Paris.　　　　　　　　　　　　　　　　　　　

 To tell the truth, what you said was too ________ for us to understand.

 It took us several hours to make the old man ________ of the safety of travelling by air.

–When will you come home for dinner? I will prepare it for you.--Don’t ______it. I’ll eat out with my friends.