Ⅰ. 根据句意及首字母提示完成单词（10分）
1. Sometimes Lu Xun’s a ______ are not easy to understand.
2. Last year, I got an o ______ to trip to Singapore.
3. Our English teacher has a good k ______ of English culture.
4. I have many pen p ______, so I can practice writing e-mails.
5. As a teacher, you have to learn to c ______ with your students.
