根据句意及汉语提示完成单词。
1. This is my _____ (笔记本).
2. Bad luck! His pen is _____ (丢失).
3. I have an _____ (橡皮). It's black and white.
4. My pencil case is _____ (在……里) the lost and found case.
5. This isn't my _____ (戒指). Mine (我的) is yellow.
1. notebook 2. lost 3. eraser 4. in 5. ring