______ fast did John run ______ I could hardly catch him.
——Excuse me, I want to have my watch fixed, but I can’t find a repair shop.——I know ____nearby. Come on, I’ll show you.
____people in the world are sending information by E-mail every day.
Really great people always see the best in others; it is the little man who looks for the worst and finds.
No one knows exactly when our ancestors started talking,but new evidence suggests _______might have happened a long time ago.
—Do you think_____ worthwhile to go all the way to Los Angles to buy that computer?—Well ,I’m going to visit some relatives, too.