选择合适的疑问句写在括号内。
（______） 1. What does he do?

A．He often cooks for us.
（______） 2. What is he like?

B．He works in a hospital.
（______） 3. What’s his hobby?

C．He is a doctor.
（______） 4. What does he often do?

D．No, I don’t.
（______） 5. Are you interested in cooking?

E．He likes singing.
（______） 6. Where does he work?

F．He is tall and thin.