---Will it take me at least six hours to write this essay?---Yes, six hours ______ to write a good essay.
—Alice looks blue today.—Yes,I asked her,but she wouldn't say ______ troubled her.
I'm afraid our supply of vegetables will soon ______.
As if he ______ my mind,he stood up and offered me his seat when I got on the crowded bus.
Why do we have to ______Sue's selfish behavior?We should teach her to care for others.
—Were all the passengers on the bus injured in the accident?—No,______ only the four who got hurt.