1.We started living here fifteen years ago.
=>We have..............................
2.The last time she visited me was five months ago.
=>She has.......................................
3.I last wrote to my uncly in July.
=>I have..........................
4.It's a long time since we became close friends.
=>We have.....................................
5.Minh began to collect stamps in 2000.
=>Minh has........................................
6.It's three years since I last spoke to her.
=>I have.......................................
7.How long is it since you used the car?
=>When...................................?
8.She last ate this kind of food in January.
=>She has.................
9.She last wore that dress at her sister's wedding.
=>She has................................
10.When did you start working in that factory.
=>How long...............................?