—Do you think it is hard for you to learn math well?—Yes. I really want to drop it.
—When did the old man die? —He ________a rainy winter evening.
—Could you tell me? —Certainly.
—Doctor, it seems you like to work with animals. —Yes, I think animals should as our friends.
The 2nd Youth Olympic Games wason TV. So everyone could watch it at home.
They were _________ busy _________ with each other _________ the time.