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The _____ of animals is called zoology.
Jack goes swimming _____ Saturday.
A new job in _______ was desirable.
Computer technology is changing the _____.
We ______ do our homework in the evening.
____ halves of the game were exciting.
Birds fly ____ in the sky.
I heard a very weird noise in the _____.
A _____ is a device that serves as a source of illumination.
You _____ have forgotten.