根据句意及首字母提示补全单词。 1. If you know the answer to the question,r ___ your hands please. 2. They like reading and they t ___ books most. 3. The g ___ of our school will have a leavers' party next week. 4. I made a terrible mistake , but my teacher f ___ me. 5. Teachers should be p ___ to all the students. 6. Parents are usually children's m ___. 7. Don't touch the lights in the c ___ . It is dangerous. 8. I couldn't make a d ___ which one to buy, because they were both perfect. 9. The music is great and it's got a great b ___ 10. I have a bad toothache , so I have to see the d ___.