QUESTION: Fix punctuation: And everyone who took part in a sailing trip ever know that in such a strange first week on board with fellow sailors often very good acquaintances and sometimes even new friendships are made
ANS: And everyone who took part in a sailing trip ever know, that in such a strange first week on board with fellow sailors often very good acquaintances and sometimes even new friendships are made.

QUESTION: Fix punctuation: The demand of the insurgent St Petersburg workersthe immediate convocation of a Constituent Assembly on the basis of universal direct and equal suffrage by secret ballotmust become the demand of all the striking workers
ANS: The demand of the insurgent St. Petersburg workersthe immediate convocation of a Constituent Assembly on the basis of universal, direct, and equal suffrage by secret ballotmust become the demand of all the striking workers.

QUESTION: Fix punctuation: Work the 2 first sts on needle with double thread throughout leave approx 5 cm extra thread when casting onchanging colour to use when working sts in double thread
ANS: Work the 2 first sts on needle with double thread throughout, leave approx 5 cm extra thread when casting on/changing colour to use when working sts in double thread.

QUESTION: Fix punctuation: Build your trip The more info the better please include places of interest dates of travel and number of people
ANS:
Build your trip The more info the better, please include places of interest, dates of travel and number of people!