Question: So stop filing Set up only four folders in your Documents folder
Please fix the punctuation.
Fixed: [So stop filing. Set up only four folders in your Documents folder:]

Question: White x 20 5 doses envelopes freepromotion
Please fix the punctuation.
Fixed: [White x 20 + 5 doses envelopes free-promotion]

Question: 10 years ago 2000 xHamster toilet
Please fix the punctuation.
Fixed: [10 years ago 20:00 xHamster toilet]

Question: Chronic gastritis is the term used for intermittent vomiting of greater than one to two weeks caused by inflammation of the stomach The stomach lining can be irritated by chemical irritants medicines foreign bodies infectious agents or longterm hyperacidity syndromes
Please fix the punctuation.
Fixed:
[Chronic gastritis is the term used for intermittent vomiting of greater than one to two weeks caused by inflammation of the stomach. The stomach lining can be irritated by chemical irritants, medicines, foreign bodies, infectious agents, or long-term hyperacidity syndromes.]