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QUESTION: Fix punctuation: The GU is a real booster and we both feel energized
ANS: The GU is a real booster and we both feel energized.

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ANS: All these e-books with articles by Ove von Spaeth are, besides for use by individually reading also designed especially suitable (the editing) for courses and study circles!

QUESTION: Fix punctuation: Lions has received many awards for his outstanding contributions to mathematics
ANS:
Lions has received many awards for his outstanding contributions to mathematics.