Put the sentences in the active voise​

1. My brother is at school. He's a student.
2. My mother is at work. She's a doctor.
3. Kate is a schoolgirl. She's 7. Now she's not at home, she's at school. She has got a lot of toys.
4. My aunt is at work. She's got a lot of work.
5. Is mother at home? Yes, she's in the kitchen.
6. They are workers. They are very busy.
7. Who are they? They are scientists
8. Helen is a painter. She's got a lot of paintings.
9. Are you an engineer? No, I'm  a doctor. My brother is an engineer.
10. My brother's name is Nick.
11. My sister's name is Mary.
12. Her cat's name is Tom. 

1)d                                                                                                                               2)e                                                                                                                               3)f                                                                                                                               4) c                                                                                                                               5) g                                                                                                                             6) a                                                                                                                             7) h, 8)i 9)b 10)j