It is believed that the prices of houses will be decreased by ______ 5%.
| A．any other | B．the other | C．another | D．other |
David, it’s you ! I could hardly ______ you just now. You have changed a great deal.
| A．recognize | B．know |
| C．consider | D．realize |
It’s ______ trying to persuade him to change his mind because he never listens.
| A．useless | B．priceless |
| C．careless | D．helpless |
Bill Gates is very _________because he has given away more than half of his money to help those who are poor .
| A．generous | B．active |
| C．grateful | D．mean |
Take it easy. As your best friend, I will help you in my ___________.
| A．power | B．force |
| C．energy | D．strength |
—People often don't appreciate what they have, do they?
—No, _________ they lose it.
| A．if | B．after | C．until | D．when |