For or Since?

I've worked in medical research _____ 5 years.

• for

• since

She's lived in this apartment _____ 2012.

• for

• since

It has been raining ____ a long time.

• for

• since

I've wanted to be an architect ______ I was a kid.

• for

• since

Sam has studied at this college _____ two weeks.

• for

• since

He has been in the hospital _____ last Thursday.

• for

• since

This restaurant has been open ______ last year.

• for

• since

Marina and Eduardo have been married _____ 10 years.

• for

• since

I've been a student here _____ 3 months.

• for

• since

We've been waiting _____ three o'clock.

• for

• since