根据句意和首字母提示,填写单词。 1. I think my Chinese teacher is k _____ because he knows a lot. 2. You can get p _____ of information about Hainan Island on the Internet. 3. Only two raincoats are red, the r_____ are yellow. 4. David never stops talking. He is not a good l _____ at all. 5. Don't b _____ your father. He is working on the computer.