---Do I need to ______ for the party?
---Don’t bother. It’s only an informal party. Come as you are.
| A．turn up | B．dress up | C．give up | D．keep up |
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 |
______ he works hard, I don’t mind when he finishes the experiment．
| A．As long as | B．As well as | C．So far as | D．As soon as |