1. are Paul and Kate (He/She/They)

2. is a nice girl. (I/He/She)

3. is my brother. (You/We/He)

4. are my friend. (They/You/We)

5. am a student. (You/I/They)

6. are in the same class. (It/I/We)

7. is my sister. (He/She/It)

8. are good friends. (They/She/I)

9. is my schoolbag. (She/He/It)

10. is Jack's ruler. (It/She/He)