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.