----Haven’t I told you that I like my beef well done?-----Yes, but I _______ it longer than I usually do.
The power to our region has been _______ by the heavy snow.
______more effectively with foreign firms, many Chinese firms have turned to new technology.
Those books ______ in brown paper are for the kids so that the kids will not easily tear them up.
You ______ regret all your life if you drive after you take some wine, I tell you.
______ he works hard, I don’t mind when he finishes the experiment.