Success in life doesn’t happen ______. It’s the result of devoting your time and energy to what you’ve set out to do.
Their cheerful voice showed that they were doing ___ .
My students are all quiet.Even after class, my students spend ___as they can playing outside.
The song sounds ___ .doesn’t it?
All these are matters __ attention.
The sudents were silent as they saw the ___ look on their teacher’s face.