I don't know______ he lost his gold watch yesterday.
—Can I ask you a rather personal question?—________
—I had a great time in the summer holidays.We went scuba-diving in Hawaii.—Wow!________
—Thank you very much for helping me with the luggage.—________.
—Do you mind if I open the window?—________.Go ahead,please.
—What's the price of the shirt?—Two hundred dollars.—I'm afraid ________.