Помогите плиз по аннг!!

Употребите since или for в следующих предложениях.
1.We haven’t met them … four years.
2.I haven’t eaten such delicious food … ages!
3.He hasn’t had a cold … he went in for sport.
4.They have known each other … many years.
5.Mr. Parker has worked for the company … 1999.
6.My father has grown grapes … he retired.