Choose the correct tense

1. He [was climbing|climbed] the mountain when he [slipped|was slipping].
2. It rained while they [were hiking|hiked] through the forest.
3. Mark [has found|is finding] a new freelance job.
4. The miners [dug|have been digging] in the old copper mine all day.
5. The photographer [has been taking|has taken] pictures for three hours.
6. The plane [leaves|has left] at 9 am tomorrow.
7. The rescue workers [are searching|search] through the rubble for survivors.
8. They [travelled|were travelling] to Chile last year.
9. Tom often [is going|goes] camping at the weekend.