A large sum of money has been raised for the          of the poorly-educated children in the mountainous areas．

One      of owning your own car is that you can go anywhere at any time you like.

—Do I need to give a tip if I eat at a fast food restaurant in the United States? —Yes, it’s a common ______ to tip waiter in a restaurant.

Although dishonesty seems so common in recent years, people still believe that honesty will not go out of       ．

After the earthquake, the first thing the local government did was to provide ________ for the homeless families.