At the 60th anniversary, the guests sitting in the front are those ______ graduates from the university.

Mary didn’t say （ ） she would return, but I believe she’ll be back for dinner.

He studies so hard to avoid （ ） at the bottom of the class.

（ ） that the trade between the two countries reached its highest point.

He had his book ______ at his own expense.

Her sister always spends so much _____ her clothes that she can’t manage to live with her salary.

Ten minutes _____ an hour when one is expecting a phone call.

—Are you （ ）? —No, I’m serious.

（ ） born in Chicago, the author is most famous for his stories about New York City.

You _____ all those calculations! We have a computer to do this sort of things.

Do you mean this is the_____decision you have made after thinking for hours?

Can you_____the difference_____the two phrases?