Carbon dioxide ___ from burning fuels is the most common of the so-called greenhouse gases.
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.
—Can you lend me some money? —By all means.Can $10 ______?
—How long are you staying? —I don’t know.______.
The report you’ll ______must be clear and correct.Don’t let the typist make any spelling mistakes.