He had little idea that it was getting so late, ___________ ?
Have you ever been to Mount Huangshan, ___________is famous for its pine forests and "sea of clouds"?
Have you ever been to Mount Huangshan, ___________is famous for its pine forests and "sea
of clouds"?
writing the article, Mrs. Curie even forgot her dinner.
While riding in the street, _____________.
—Can you give me the right answer?-─Sorry I____________ .Would you repeat the question?
—How do you find that Beatles’CD? —Wonderful. It’s well worth ____________.
—How do you find that Beatles’CD?
—Wonderful. It’s well worth ____________.