题目内容：

Undoubtedly, Britain is a nation of hat wearers. From taking off hats 1. launching mortar boards (学位帽) in the air, hats have long been associated with ceremonies and practices. Even the history of the country can 2.(tell) through hats.

3. (date) back to medieval England, the flat cap became a symbol of working class culture in the 19th and 20th centuries. The Edwardian Era was 4. golden age of hats, when the decorations became even more delicate, ranging from flowers, birds to fruits. The pork pie hat, starting in the middle 19th century, was the 5.(choose) for many well-dressed Victorian citizens. Decades later it 6.(gradual) became a key feature of London street style. By the 1960s, though, hats faded out of people’s sight because of the rise of private cars. It was the Royal Wedding 7.(hold) in 2011 that contributed to the return of hat wearing. For example, Stockport Hat Works Museum— the only museum in the country featured in hats and hat making — is 8.(popular) than ever, with a distinct increase on its visitors.

9. marks Britain out on the world stage is the large number of hats of different shapes and colors. The variety of hats in Britain 10. (reflect) its multicultural background and rich cultural heritage.