Present Perfect: since and for

I haven't seen her ...... the accident.

• since

• for

5. We've been waiting ...... two hours.

• since

• for

He was in prison ...... ten years.

• for

• since

I've known the truth ..... a long time.

• for

• since

I haven't had so much fun ...... I was in high school.

• since

• for

I've had this watch _____ 25 years.

• since

• for

I haven't seen her _____ the last meeting.

• since

• for

We haven't talked to them _____ they got married.

• for

• since

We've walked _____ six hours.

• since

• for

I've been looking for a job ...... I left school.

• since

• for