Ответ:
1. When did your dad leave school?
2. When did your parents get married?
3. When did your parents have their first child?
4. When did your parents buy their first car?
5. Did your parents graduate from university?
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Ответы на эти вопросы:
1. My father left school when he was sixteen.
Или, My father left school in 1990.
2. They got married in 2001.
Или, My parents got married ten years ago.
3. My parents had their first child in 2004.
Или, I was born in 2004. I'm the only child.
4. They bought their first car five years ago.
Или, they don't have a car.
5. My mother graduated from university but my father didn't.
Или, My parents graduated from university in 1997.
FINISHED? Past simple forms.
1. leave - left
2. get married - got married
3. have - had
4. buy - bought
5. graduate - graduated