QUESTION: Fix punctuation: In the market hall opposite The Grandmasters Palace there are shops on two floors mostly butchers fishmongers and greengrocers It looks inviting
ANS: In the market hall opposite The Grandmaster's Palace there are shops on two floors, mostly butchers, fishmongers and greengrocers. It looks inviting.

QUESTION: Fix punctuation: I write for all who share these pleasures in Danish because it is my mother tongue in English to make it accessible for more people my husband included
ANS: I write for all, who share these pleasures, in Danish, because it is my mother tongue, in English to make it accessible for more people, my husband included.

QUESTION: Fix punctuation: You will control a car trying to pick up all flags
ANS: You will control a car, trying to pick up all flags.

QUESTION: Fix punctuation: Before you can open a XDSL file youll need to figure out what kind of file the XDSL file extension refers to
ANS:
Before you can open a XDSL file, you'll need to figure out what kind of file the XDSL file extension refers to.