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 ago2. When did your teacher start working here? - He started working there 10 years ago3. When will you celebrate your birthday? - I will celebrate it in 3 month4 When did your parents meet? - They met 18 years ago5. When did you finish primary school? - I finished it last year