根据句意及首字母提示完成下列单词。
1. Their school is giving a concert to r______ money for people in Wenchuan earthquake.
2. Our English teacher often e______ us to speak more English in and out of class.
3. If you want to post a letter, you should buy a s______ first.
4. Finally I wasn't a______ with my son any more.
5. Jack is very lazy, but to my s______ he passed the exam easily this time.
6. He doesn't like the computer. I don't like it , e______.
7. She has been living here s______ twenty years ago.
8. Do you think people will have ______ in the future?
9. My parents often a______ I don't know what to do.
10. Tom has been c______ stamps for five years.