A beekeeper has a        to motivate the bees by leaving some honey in the hive—not so much in case that the bees stop working.

I called the airline to ______ my flight reservation a week before I left for Canada.

Whatever he does，once he sets up a goal，he will start pursuing it without ________.

 The situation put us at a serious ______, which made us very worried.

In order to change some companies’ _______ towards hiring women college graduates, the government plans to pass a law.