— Must I finish my homework before class is over?
— No, you ______. You can hand it in tomorrow.
| A．mustn’t | B．shouldn’t | C．can’t | D．needn’t |
Today ,I would like to ________my thanks to those who have been supporting me in my life .
| A．talk | B．express | C．tell | D．speak |
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 |