I’m very tired these days because of the senior highschool entrance examination（中考）.—Why not______music It can make you ______.

How would you like your coffee, sir —________. It’s my favourite.

Even a drop of water ______because it is soimportant to all the living things.

When I speak in front of the class, I am very stressed out.

下列各句中，语言表达得体的一项是（ ）