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The new football ground used __________ grass.
Exercise is __________ to your health.
During space missions oxygen is _______.
_________ means anything to do with money.
The ________ notice said the match was cancelled.
People of many different ______ and ethnic backgrounds live in this diverse city.
As it was a _______ occasion, they were allowed to leave school early.
We went to a ______ event at school.
___________ means just on the surface, not underneath.