There isn't a burger in New York as tasty as the one in this restaurant. THE -> This restaurant _________ in New York
has/makes/serves THE tastiest burgers
Since the price of paper increased, new books aren't made as much. FEWER -> They ______ new books since the price of paper increased.
make/ have been making FEWER
Paul's old shoes were expensive, but his new ones were cheap. LESS -> Paul's shoes ______ his old ones.
were LESS expensive than // cost LESS than