The girls are dancingthis famous music.[ ]

So what have you learned?－We’ve learnt _______about life in poor areas. Which of the following is NOT right?

I think it’s very dangerous to drive six hours without a rest.—I agree. Six hours really a very long time.

Because the old people ________ about thirty percent of the population, we should care more about them.

______that your computer?—Yes, it is.