Write questions with When. Then write answers with last, ago or in.

this class/start?

When did this class start?

This class started 40 minutes ago.

1 you / go on holiday?

2 your teacher / start working here?

3 your / celebrate your birthday?

4 your parents / meet?

5 you / finish primary school?

1. When did you go on holiday? - I went on holiday a year ago

2. When did your teacher start working here? - He started working there 10 years ago

3. When will you celebrate your birthday? - I will celebrate it in 3 month

4 When did your parents meet? - They met 18 years ago

5. When did you finish primary school? - I finished it last year