1.
A What does Juan do
B He's a manager at a restaurant
A Oh, really? What did he do before?
B He was a cashier.
A Really? When?
B Five years ago
2.
A What does he do?
B He's a bus person.
A Oh, yeah? What did he do before?
B He was a student.
A A student? When?
B Last year.
3.
A What does she do?
B She's a doctor.
A Oh, that's great. What did she do before?
B She was a student at the medical school
A A medical student? When?
B Maybe 10 years ago.
4.
A What does she do?
B She's a teacher.
A A teacher? What did she do before that?
B She was a waitress.
A When was that?
B about 6 months ago
5.
A What does John do?
B He's an electrician.
A Oh, really? What did he do before?
B He was a construction worker.
A A construction worker? When?
B From 2010 to 2011.