问题
补全对话，情景问答
| 选用方框中的词完成对话。 | |
B: Yes, thank you. A: Is that your __3__ ? B: __4__ , it isn't. It's Kelsey's ruler. A: OK. This is your book. __5__ that is Kelsey's ruler. |
答案
1. Excuse me 2. your 3. ruler 4. No 5. And