A: Would you mind my smoking here? B: Look at that sign. It says, “No smoking.”
―Are you still busy? ―Yes, I ________ my work, and it won’t take long.
You ________ to leave until you _______ your work.
―________ you _________ the chief editor at the airport? ―No. He _______ away before my arrival.
―Did you meet Professor Johnson? ―Yes, but when I arrived, he ________, so we only had time for a few words.
―Have you finished your composition already? ―Yes. I _________ it in twenty minutes.