According to a UN report, one third of the world population have no _________ to clean drinking water and health care.

After the heavy mudslide happened in Sichuan, hundreds of newspaper reporters were sent to ____ the natural disaster.

Some fruits are so easily harvested in this area that they are never of great _____

Flight BA 123 to Vienna is now boarding at

Students should form the habit of ____ everything important in class. Which of the following can’t be put in the blank?