QUESTION: Fix punctuation: Communication here similar to a cellular classroom is about hearing and being heard but this is a much more complex acoustic situation
ANS: Communication here, similar to a cellular classroom, is about hearing and being heard but this is a much more complex acoustic situation.

QUESTION: Fix punctuation: Euromillions lottery numbers Friday 27 November 2015
ANS: Euromillions lottery numbers - Friday 27 November 2015

QUESTION: Fix punctuation: Wherever there is work and sweat with a simultaneous high demand on wearing comfort GARDENA guarantees durable breathable material quality and excellently worked fingertips for a perfect fit
ANS: Wherever there is work and sweat, with a simultaneous high demand on wearing comfort, GARDENA guarantees durable, breathable material quality and excellently worked fingertips for a perfect fit.

QUESTION: Fix punctuation: Compositions change but I think that composers to some extent have always followed the same strategy of renewal
ANS:
Compositions change, but I think that composers to some extent have always followed the same strategy of renewal.