about
                    - Because the old people ________ about thirty percent of the population, we should care more about them.
 - Don’t _______ about the exam so much. It will make you stressed out.
 - Don’t worry about him.He’s old enough to_______himself.
 - How about for me till 8:30?
 - What about _________grammar? —It is too boring.
 - How about the Winter Olympics in Sochi this year, Miss Hunter? – It was very wonderful, and Chinese team really _______ me a lot.
 - The decision about the price _____ in a few days. So they have to wait.
 - Do you know what the meeting is about? —Yes, of course. It will _____some important rules we need to know about our school.
 - How about the trip to Shanghai, Kitty?—Everything was fantastic if our car did not _______ for some times on the way.
 - What about this red T-shirt?, please.―Thank you. But it’s a little too large.