题目内容：

根据句意及首字母提示完成单词．

1.It’s used for s________ really cold ice cream.

2.The tea was invented by a_________

3.A Chinese ruler  was b________ drinking tea over an open fire.

4.Tea abacus was invented in the sixth c_______ by the Chinese

5.Tea was kept in the f ______to keep it fresh.