--- Why are they going to Wenchuan this winter?--- They’re going to be a volunteer there and _____________ the people in the disaster area.
The boy is busy ________ tomorrow’s lesson.
Hurry up! The match for ten minutes.
—I was told to be here before seven. — Oh, you . I'm sorry for not telling you that we have changed the plan.
—Which is the smallest number of the four? — .
The price of the house is so high. I hope it can _________ in the future.