—What happened over there?—They argued________the waiter________the price of the meal.
On seeing Jay Chow appear on the stage, the audience________cheering.
Mother asked her why __________ to bed so late the night before.
It's reported that a large number of people ________ been killed and the number _______added up to nearly 70,000.
--Is there a department store _______ I can get a birthday present for my brother?-- Yes, just across the street.
A teacher's________to the cause of education is worth great respect of the whole society because it brings countless benefits to the development of society.