—Have you ever been to the Great Wall? — ____________.
—“Do you mind doing extra work for your classmates?”—“_______. I’m always ready to help others. Which of the following is NOT right?
He _____________ just now, and soon he _______________.
— You have never been to Beijing, _________?— ______. How I wish to go there again!
—Will you please ________ in class? —_______________.
Children under 18 aren’t in the lake nearby.