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.

1. When he can't eat the grapes, the fox thinks they must be s__________.
2. -Try the fish. How is it?  
-Oh, I think it's a little s_________ .
3. He s___________ lots of sugar on the cake, so it was very sweet.
4. I took your umbrella by m __________.
5. Potato chips were invented by a ________ called George Crum.