任务型完形填空
用横线上所给单词的适当形式填空，每个单词限用一次，使短文通顺正确连贯，将答案填写在题后的横线上。
history, choose, common, buy, make, enjoy, way, another, while, serve
    American summers are filled with outdoor picnics, baseball games and swimming pools. Summer in America is a time ____ the outdoors, no matter how hot it might be. Let’s take a look at some of the popular drinks.
    Lemonade is ____  of all American summer drinks. It ____ by mixing lemon juice, water and sugar. It is usually served very cold, with ice.
    Ice tea is ____  popular summer drink in America. Ice tea is usually ____in a tall glass of ice. Many Americans____  to add sugar to sweeten the drink. This drink is often drunk in the afternoon ____ relaxing in the shade. Ice tea is now also sold by the bottle , at almost any store in America.
    The Slurpee, a famous American drink in recent years, is a great ____ to cool off in the summer heat. It is a mix of ice, sugar and fruit juices. However, the drink is mostly made of ice. They can____at most small convenient stores. Slurpees are popular with young Americans.
Milkshakes have a long____  in America . It is made of a mix of ice cream , milk and flavoring.