His letter was so confusing that I could hardly make any ______ of it.

The British government often says that providing children with      to the information superhighway is of great importance.

There is no      in trying to persuade him to change his mind, for he never follows the advice of others.

People say, “Guilin’s scenery is superb in the world.” It was not until I visited the place that I found it really worthy of the _______.  

If you don't know that _________ is the mother of success, your are sure to be ________ in life.