根据首字母填空。
1. Sometimes I have a sore left f_______. I can't put on my shoe.
2. The boy's _______ are very long: He is good at the high jump,
3. This morning my _______ ached, so I can't read more books.
4. Don't talk with your m_______ full.
5. An elephant has a long _______
6. You s_______ copy others' homework.
7. About three weeks a_______ his grandfather died.