Sure! Here are the classifications for the nouns in Exercise 7:

1. The **children** are playing games. **(C)**
2. I don't like **orange juice**. **(U)**
3. She prefers drinking **coffee**. **(U)**
4. There's some **money** on the table. **(U)**
5. My mother is baking **cakes**. **(C)**
6. There are a lot of **ceiling fans** in our classroom. **(C)**
7. They need some **glue** to fix the door. **(U)**
8. Have we got any **bread**? **(U)**
9. He drank three big glasses of **wine** yesterday. **(U)**
10. How many **chairs** are there in the living room? **(C)**

Now for Exercise 8:

1. **Are** you students? - Yes, I **am**.

Please let me know if you need help with anything else!