单词拼写。

1. They do not d_____ the mail that their customer specifically requests to receive.

2. She wanted to i_____ her students by having them listen to this instructive speech.

3. You didn't tell me you could sing so well-you're very m_____.

4. C_____ is difficult when two people don't speak the same language.

5. She d_____ her life to helping the poor.

6. The teacher was pleased with the children's good _____ (举止).

7. The car was cheap and in good _____ (状况), so I bought it.

8. She has a big family to _____ (赡养).

9. He worked hard and _____ (实现) his aim of becoming a doctor.

10. Please be more _____ (考虑周到的) and don't play loud music late at night.