---“Why do you have to be there at six?”---“The teacher demands that everyone _____in his seat at six.”
They have considered their high standard of living a(n) ______ for practicing their basic beliefs.
The background music in an assembly line is designed ______.
Information and opinion gap exercises have to have some content ______ talking about.
We know our friends by their defects ______ by their merits.
Those bad conditions have given ______ to a lot of crime in the area.