Two years ago, she bought an expensive mountain bike and then she persuaded me to buy _______.
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.