Put each verb into a suitable form : Perfect or Past

1.Teresa and Jeremy ________________ ( not speak ) to each other since they got divorced .
2. We ____________________ ( conduct ) research on family patterns for 15 years so we have a lot of data .
3. It’s ages since I last ______________ ( see) my grandparents and that’s really a shame .
4. The median age at the first marriage ________________ ( increase ) recently in many Western countries.
5. ________________ ( they , announce) the results of the election yet ? No, it’s too early .
6. Mary ___________________ ( think) a lot about Stephen lately. I think she’s in love with him !
7. Her parents _____________ ( divorce ) when she was eight so she _____________ ( change) her schools pretty often.
8. Molly , your clothes are all wet ! What _______________________ ( you, do ) ?
9. I can’t give you the report I promised because unfortunately I _________________ ( lose ) it .
10. The Smiths ________________ ( live ) in this part of the city for all their lives .