---What do you think of the person?
---Seldom in all my life________ such a _________ person.
| A．I met; determining | B．have I met; determining |
| C．I met; determined | D．have I met; determined |
My brother left home five years ago. I _______ nothing from him up to now.
| A．hear | B．heard | C．have heard | D．had heard |
The power to our region has been _______ by the heavy snow.
| A．cut off | B．cut down | C．cut away | D．cut up |
______more effectively with foreign firms, many Chinese firms have turned to new technology．
| A．Being competed | B．To compete | C．Competing | D．Competed |
Those books ______ in brown paper are for the kids so that the kids will not easily tear them
up．
| A．to do with | B．done up | C．being done | D．having done over |
You ______ regret all your life if you drive after you take some wine, I tell you．
| A．shall | B．may | C．must | D．can |