Complete these sentences with since or for and the right form of the verb.
Our family (live) in the north of the USA 1997.
My father (work) as an engineer then.
My parents (divorce) more than five years now.
My sister (know) her boyfriend six years.
I (not see) my aunt last summer.
My friend Tommy lives in the south. I (not talk) to him a long time.
My friend Margo (write) me two letters I met her at the summer camp.