Yesterday I met a(n) _____ teacher by chance who taught me English in the university three years ago.

—Mary is a(n)________ painter.—So she is. She won a national award at the age of fifteen.

Published in 1974，the book was a(n) ________ success and was soon translated into thirteen foreign languages.

Everything will be all right. We must never stop taking a(n) ________ attitude towards life.

    that the government can lead them out of the finacial crisis, people are optimistic about the future of the country.