Hello, Sandy. This is Jack. What are you doing?—I’m watching a match. It started at 7:00 p.m. and _____ on for another an hour.

_____ the fans are waiting for the popular singer outside the concert hall.

What did you say just now ? —-I asked you________.

Tom pretended ______ it；but in fact，he knew it very well.

Do you know much about the city? — Yes, I ___________ there three times.