用方框中所给单词的适当形式填空。

     American summers are filled with outdoor picnics, baseball games and swimming pools. Summer in

America is a time 1. ________ the outdoors, no matter how hot it might be. Let's take a look at some of

the popular drinks.

      Lemonade is 2. ________ of all American summer drinks. It 3. ________ by mixing lemon juice,

water and sugar. It is usually served very cold, with ice. Ice tea is 4. ________ popular summer drink

in America. Ice tea is usually 5. ________ in a tall glass of ice. Many Americans 6. ________ to add

sugar to sweeten the drink. This drink is often drunk in the afternoon 7. ________ 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 8. ________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

9. ________ at most small convenient stores. Slurpees are popular with young Americans. Milkshakes

have a long 10. ________ in America. It is made of a mix of ice cream, milk and flavoring.

1.______ 2.______ 3.______ 4.______ 5.______

6.______ 7.______ 8.______ 9.______ 10.______