1. G: How old are you?
B: I’m fifteen.
2. A: What’s this?
B: It’s a sheep.
3. A: Is that an English book?
B: No, it’s an exercise book.
4. B: How are you?
G: I’m fine. Thank you.
5. G: Is this your shirt?
B: No, it’s Gao Fei’s shirt.