Children under 12 years of age in that country _____ be under adult supervision when in a public library.
Traditionally, college students hold a graduation ceremony to encourage themselves before they _______ on their life journey.
Our school requires that all students _______ on the campus.
At the routine office meeting, the headmaster insisted that the problems _______ paid special attention to.
_______ basic first-aid techniques will help you respond quickly to emergencies.
People develop _______ preference for a particular style of learning at _______ early age and these preferences affect learning.