________ he seems to know everything.
| A．Young as he is, yet | B．Young as he is |
| C．As he is young, but | D．Though he is young, but |
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 |