Its hard to say when pizza, one of the most (13)

Its hard to say when pizza, one of the most (13) dishes in the world, was invented.
There is some evidence that ancient Greeks baked a flat bread to (14) they added herbs,
onions and garlic but the term pizza first appeared in AD 997 in Gaeta, in southern Italy. Modern
pizza, however, probably started (15) the Pizza Margherita, мейд by baker Raffaele
Esposito of Naples in 1889 (16) for the visit of Queen Margherita.
Every year, over five billion pizzas (17) worldwide and each country has its favourite
toppings. Italians (18) love the classic Pizza Margherita and also Quattro Stagioni (four
seasons), a pizza with olives, mushrooms, ham, mozzarella cheese and tomato. Americans are
crazy (19) pepperoni, Brazilians prefer green peas, the Dutch like lots of cheese and
meat, while other nationalities (20) for fishy pizzas.
13. A. favourite B. suitable C. popular
14. A. where B. that C. which
15. A. with B. for C. at
16. A. immediately B. especially C. completely
17. A. sell B. sold C. are sold
18. A. still B. yet C. never
19. A. of B. about C. on
20. A. are going B. have gone C. go