Помогите составить предложения!!!!!
1. an engineer, his father, is.
2. my friend, a worker, is.
3 is, his mother, a teacher.
4. am, I, a cosmonaut..
5. is, her grandfather, a driver.
6. a pupil, am, I.
7. is, she, where, from?
8. Billy, is, how old?
9. her, is, what, brother?
10. is, what, Charles?
11. the elephant, is, a pet?
12. he, is, a student?