Question: This was a trendy hypothesis long ago but through the last hundred years many relating hypotheses have been added which have caused people involved to refer to this untenable constructions latest offsprings or issues as if these were a fullproof fact
Please fix the punctuation.
Fixed: [This was a trendy hypothesis long ago, but through the last hundred years many relating hypotheses have been added, which have caused people involved to refer to this untenable construction's latest off-springs or issues, as if these were a full-proof fact.]

Question: On October 17 2016 by Alanya couk
Please fix the punctuation.
Fixed: [On October 17, 2016 by Alanya co.uk]

Question: If you have not received an answer within 3 working days please contact us again as your original request might not have been received correctly
Please fix the punctuation.
Fixed: [If you have not received an answer within 3 working days, please contact us again as your original request might not have been received correctly.]

Question: Free WiFi is available in all guest rooms at this Hollywood hotel
Please fix the punctuation.
Fixed:
[Free Wi-Fi is available in all guest rooms at this Hollywood hotel.]