ASAP someone can help me?? thanks

Complete the sentences. Put the verb in brackets in the present perfect or the past simple.
Example: Did you go (go) to any museums when you were on holiday?
1 I _______________ (not see) Brian since we left school in 1999.
2 My dad _______________ (not study) French at school.
3 Karen _______________ (live) in her house for three years. She loves it.
4 Lucas _______________ (not say) hello to me yesterday.
5 What time _______________ Sheila _______________ (arrive) at work this morning?
6 Annette and Gary _______________ (buy) a house in France last year.
7 ‘How long _______________ they _______________ (work) here?’ ‘Since May.’