Present Perfect or Past Simple?

I (lose) my keys - can you help me look for them?

Yesterday, I (see) all of my friends. It was great.

Last night I (lose) my keys - I had to call my flatmate to let me in.

I (visit) Paris three times.

Last year I (visit) Paris.

I (know) my great grandmother for a few years - she died when I was eight.

I (know) Julie for three years - we still meet once a month.

I (play) Hockey since I was a child - I'm pretty good!

She (play) hockey at school but she didn't like it.

Sorry, I (miss) the bus - I'm going to be late.

She (live) in London when she was a child.

She (live) in London since 1994.

I (see) Julie three times this week.

I (finish) my exams finally - I'm so happy!

Last month I (go) to Scotland.