----Excuse me, John. Is there __________ in today’s newspaper? ----No, ________________.

Shopping on line can provide ____ convenience and choice, but not ____ websites are safe enough for shopping.

We could not understand them because        of us know their language.

Life in the city is quite different from _____ in the countyside.

—What do you think of your college life?—Tired! __ win the scholarship(奖学金), I have made a full schedule(时间表) for study.