1. 根据语境，从方框中选择恰当的单词填空，注意形式变化，每词限用一次。

tooth, sugar, tired, or, bread

1. （1） Kelly has some for breakfast.
3. （2） I like because it's sweet.
5. （3） Cold food isn't good for your .
7. （4） My father works on the farm. He's really .
9. （5） Rachel doesn't like summer winter.