—Sorry. I ________ a lecture given by a young CEO who graduated from our school.
— I'm sorry, but by then I ____ to Beijing. How about five?
—Yes, I am sure he _________ on the platform when we pull into the station.
—I'm afraid not. I ________ a lecture on Chinese literature in the hall.
—Sorry, I some American business partners the whole afternoon.
— I'm afraid not. I ______ a meeting then.
— I regret to tell you that when you arrive , it will have ended and I ________ questions with my students.
—Oh, no. I (have) a meeting then.
—I'm glad we _____ them in the years ahead.
—I know. The whole world (watch) it. It's a really wonderful event.