If you don’t keep the meat in the refrigerator on such a hot day, it may ____.
______in a proper way, waste can be turned into useful things.
It’s helpful to put children in a situation______ they can see themselves differently.
After ______ was about then minutes, the teacher gave the students the correct answer to the question.
At the meeting, the people were _____by the kindness and natural beauty of his mother although there is a scar in her face.
They woke up ______ everything around ______.