根据句意及首字母提示完成单词。

1. The potato chips were invented by m_______.

2. Although tea wasn't brought to the western world until 1610, it was d____  __over three thousand years before that.

3. Mom added salt but it still wasn't s_______ enough .

4. I p_______ lemons to oranges.

5. The abacus was invented in the sixth c_______ by Chinese people.

6. Please tell me when the S_______World War started .

7. The telephone rang and Mike hurried to a_______ it.

8. Something has to be d_______ to clean up your Lown.