Complete each blank in the sentences with only ONE suitable word.
1. I've eaten too many sweets. I have _______.
2. Do you have a painkiller? I have a ________.
3. I have ________. I think that food was bad.
4. I have a ______ in my leg.
5. Ouch! My arm _______.
6. I got some water in my ear and now I have ____.
7. I can't eat any biscuits. I have a sore_____.
8. That's a bad______. Try some hot lemon tea.
9. When you have flu, you usually have a high ______.
10. He ate some seafood yesterday. Now he doesn't feel well. He thinks he has a/an _____.