Ⅰ. 根据句意及汉语或首字母提示完成单词
1. Their ____ (课本) are all on the teacher's desk in the classroom.
2. She speaks English with excellent p____.
3. Read the three ____ (谈话) between Lucy and Lily and answer the following questions.
4. The e____ on my teacher's face showed that she was angry with me.
5. Don't tell anyone else about it. It's a s____ between you and me.

1. textbooks 2. pronunciation 3. conversations 4. expression 5. secret