Though computers can do a lot of work man can’t do, they can’t completely _______ human beings.

Li Gang was required to apologize ___ the peoplepresent at the meeting ______ what he had done .

party, Yes—Oh, Jimmy. It’s you! ______, we last met more than30 years ago.

You made her angry just now..— I know, but I didn’t doit .

What a pity! I didn’t attend the lecture given by Dr. Green yesterday.—I _____, either, if my parents hadn’t reminded me.