задайте предложению вопросы his brother worked in a factory last year ​

Where did his brother work last year?

When did his brother work in a factory?

Who worked in a factory last year?

Did his brother work in a factory last year?

1) What worked in a factory last year?

2) Where did his brother work last year?

3) His brother worked in a factory, didn’t he?

4) Did his brother worked in a factory last year?

5) Did his brother worked in a factory or in the office last year?