QUESTION: Fix punctuation: Many tourists begin their stay in Bangkok where direct flights from throughout the world to Don Muang International Airport Thailands capital Bangkok is one of the most densely populated cities in Asia a city which was once called Venice of the East because of the majestic King River and all channels that crisscross
ANS: Many tourists begin their stay in Bangkok, where direct flights from throughout the world to Don Muang International Airport. Thailand's capital Bangkok is one of the most densely populated cities in Asia, a city which was once called Venice of the East because of the majestic King River and all channels that crisscross.

QUESTION: Fix punctuation: During the 21st and 22nd you can see the fantastic exposition of classic cars on Avinguda Diagonaland on Sunday they make there way to Plaa Sant Jaume where the rally begins
ANS: During the 21st and 22nd you can see the fantastic exposition of classic cars on Avinguda Diagonaland on Sunday they make there way to Placa Sant Jaume, where the rally begins.

QUESTION: Fix punctuation: The second allows you to view and print thedata you enter in WorkWeek on your PC11 compatible with newer PDAs and Palm OS5 color enhanced includes report template
ANS: The second allows you to view and print thedata you enter in WorkWeek on your PC.1.1 compatible with newer PDAs and Palm OS5, color enhanced, includes report template."

QUESTION: Fix punctuation: The application that you selected opens with the photos or videos from the selected albums or links attached to a new message
ANS:
The application that you selected opens with the photos or videos from the selected albums or links, attached to a new message.