The big fire in Shanghai, believed to ________ due to the burning of construction materials, caused 58 deaths and destroyed all the belongings of the people there.
—I don’t think the headmaster knows who did it. —Well, surprisingly she does. A boy _____ in her office now.
—Tommy is planning to buy a car. —I know. By next month, he _____ enough for a used one.
By the time you have finished this book, your meal _____ cold.
Food supplies in the flood-stricken area _____. We must act immediately before there’s none left.
Grace doesn’t want to move to New York because she thinks if she _____ there, she wouldn’t be able to see her parents very often.