单词拼写（已给出首字母或中文意思）。
1. We call the children between thirteen and nineteen t_______.
2. Just c________ down a little bit and everything will be all right.
3. Don't i________ small mistakes. They may cause big accidents.
4. Sandy found himself e_______ lost in the strange country.
5. When you have a high fever, you will probably s_______ a headache.
6. Please draw the c_______; the sunlight is too bright.
7. I saw a _______ (积满灰尘的) old book on my shelf by chance.
8. Though its structure is somewhat _______ (松散), the novel is not bad.
