Mr. John wants a cup of coffee. (would like)

⇒ Mr. John _would like to have a cup of coffee_______________________________________________________________.

How much is the book? (cost)

⇒ How much _does the book cost______________________________________________________________?

Traveling by plane is fast and expensive. Traveling by train is slower and cheaper. (different)

⇒ Travel by _plane is different from traveling by train _______________________________________________________________.

Classical music is interesting. Folk music is interesting. (as)

⇒ 
classical music is as interesting as folk music