The world ______. Things never stay the same.
—Jim came back home last night. —Really? Where ________ at all?
—Sorry. I ________ to post the letter for you. —Never mind. ________ it myself after school.
—Do you know if the foottball game has started yet? —Started? It must be certain who ________ by now.
—Did you enjoy the film? —Yes, it’s the best one I ________ these years.
—Will you go to the park now? —Not until I ________ my physics exercises.