—I’m a little nervous to give an English speech this afternoon.  —Come on ! Believe in ________  and you can do it.

 Tom likes doing things with his family. He’s learned much from ___ His family help him a lot.

Tom and Jenny are in the same school. And _________ like sports very much.

Although advertisements enable _________ to make decisions quickly, they sometimes cause lots of trouble.

Mr. Green didn’t post the letter _________. He asked his son to do it for him.