请根据首字母提示，完成下列单词。
1. His n is Jeff.
2. — W is your book? — It's here.
3. I h three friends in my school.
4 Tom and I a boys.
5. — W is this? — It's a chair.
6. — How is the girl? — S is fine.
7. How m books do you have?
8. — What's f and one? — Five.
9. Please open the d , the cat is there.
10.I have a chair and a desk in my c .