Add punctuation: In 1568 he published Propaedeumata Aphoristica and presented the work to Queen Elizabeth Elizabeth was impressed and Dee gave her mathematics lessons to enable her to understand it
A: In 1568 he published Propaedeumata Aphoristica and presented the work to Queen Elizabeth. Elizabeth was impressed and Dee gave her mathematics lessons to enable her to understand it.

Add punctuation: Unsure about which type of MAR file you have Do you want to know exactly what it is who created it and how to open it
A: Unsure about which type of MAR file you have? Do you want to know exactly what it is, who created it, and how to open it?

Add punctuation: It pledged that Member States will do their utmost to protect immigrants refugees and others against expressions and manifestations of racism and intolerance
A:
It pledged that Member States will do their utmost to protect immigrants, refugees and others against expressions and manifestations of racism and intolerance.