1) When did you go on holiday?
I went on holiday in summer
2) When did your teacher start working here?
My teacher started work here 4 years ago.
3) When did you celebrate your birthday?
I celebrated my birthday 2 mounth ago.
4) When did yout parents meet?
My parents met 30 years ago.
5) When did you finish primary school?
I finished primary school ( тут написать сколько лет назад вы закончили начальную школу) years ago.