--- Why does she look so unhappy? --- Her mother doesn’t _______ of her going to study in the United States alone.
Many policemen and soldiers are ______ the forest _____ the prisoner escaping from prison.
Facing the ________situation, the boss of the company looked____
As we all know, _________ car is becoming _________ popular way of transportation in big cities.
—Tom, you are smoking again?—______? It’s none of your business.
It was too hard for the firefighters to get close to the burning building. All their attempts to rescue the people trapped were ______.