Там требовалось задать общий вопрос, поэтому я на всякий случай напишу и общий (сначала), и специальный (два вопроса):
1. Are boys at school? Where are boys? Who is at school?
2. Is this girl at college? Where is this girl? Who is at college?
3. Is manager at the office? Where is the manager? Who is at office?
4. Are these lawyers at work? Where are these lawyers? Who is at work?
5. Are children at the lesson? Where are the children? Who is at the lesson?
6. Are these journalists at the theatre? Where are these journalists? Who is at the theatre?
7. Are those doctors at the cinema? Where are those doctors? Who is at the cinema?
8. Is the boy in the street? Where is the boy? Who is in the treet?
9. Is the girl in the country? Where is the girl? Who is in the country?
10. Is man in the room? Where is the man? Who is in the room?
11. Is the baby in the bed? Where is the baby? Who is in the bed?
12. Are the brothers in the park? Where are the brothers? Who is in the park?
1) thirtieth
2)nineth
3)twenty first
4)ninetieth
5)first