—I’m green at everything.
—Don’t worry.  ________you get older，you will get more experience.

______ you’ve got the chance, you might as well make full use of it.

We should give the disabled encouragement to live _________ as we do.

Scientists say it may be five years ______ it is possible to test this medicine on human patients．

— Whose money is this?
— Just leave it        it is. It doesn’t belong to us. 

John got his phone for his birthday,       his parents don’t let him use it in school. 

      he is poor, he’s ready to help his friends who are in trouble, which makes him very popular.

We must never think we are good at everything        others are good at nothing.

Mr. Smith was so angry at all _____ Bill was doing ______ he left.

We will be for ______ promises to volunteer to help us solve the puzzling problem.