We, teenagers, have already had the ability to take care of our daily life __________.

下列各句中语言表达得体的一项是（ ）

Chinese GDP has been growing steadily year by year,_________ second in the world now.

Why did your parents buy a shiny golden silk dress yesterday —– They bought it ______ me. It’s my birthday today !

I always get nervous when I start a(n) _________ with others.—Take it easy. Believe in yourself.