Exercise 1: Choose ‘for’ or ‘since’

Choose the correct word — ‘for’ or ‘since’ — to complete each present perfect sentence.

I've had this car years.

We've known each other we were in school.

I haven't eaten anything this morning.

She hasn't slept two days.

I have wanted to be a writer I was a child.

We've been together over ten years.

I haven't seen John last July.

It hasn't rained a long time.

She's worked in this bank 25 years.

She's worked in this bank it first opened.