As a parent, you ought to set a better _____ to your children, who learn bad behaviors quickly.

 The talk between the two sides started and continued in a friendly ______.

Pine trees, of which there are almost one hundred ____, are found throughout the North Temperate Zone.

Lin Dan won the first prize in the Beijing Olympics, which helped him gain the ____ of the world.

Few people back then had cell phones,and almost no one had____to the Internet.