The number of people who can afford to buy their own houses ________ more than 80%, but a number of houses _________.

I’m afraid this painting is not by Picasso. It’s only a copy and so it’s _____.

The terrible earthquake hit Japan __________ the afternoon _________ March 11th.

Children are always asking all kinds ofquestions because they are ______ about the world they live in.

Do you know where David is? I couldn’t find him anywhere.—Well . He have gone far-his coat’s still here.[ ]