Раскройте скобки, употребив глаголы в нужной форме (Perfect либо Perfect Continuous)1)

Раскройте скобки, употребив глаголы в подходящей форме (Perfect либо Perfect Continuous)

1) Some time ago Jills hair was short but now it is long. She (grow) it again.
2) Tomorrow the terrorists (hold) the hostages for three days.
3) We were late for the station. The train (start) two minutes before we came.
4) Are you still watching television? You (watch) it since I left for work in the morning.
5) George smokes. He (smoke) for five years.
6) They already (paint) the walls in their flat.
7) The builder says he (finish) the roof by next week.
8) When I got to the car park I realised that I (lose) my keys.