The committee accepted his proposal that a conference be held _______ to deal with the issues arising in the course.

The lift in that tall building went wrong and got trapped ________ the floors. People in it had no way out and were in panic.

 Besides proper diet, exercise is one of the key ___________of a healthy lifestyle.

 After a day’s hard work, Mary went to the nearby shop to _____ herself to a strawberry ice cream.

 Drinking water , having a healthy snack and taking exercise are all positive ways to ____you when you are working on a tight schedule.