Word building (nouns and verbs)

I'm reading an interesting book about the history of Antarctic ________________ (explore).

       1    Most people watch TV for ________________(entertain) , and not to learn anything.

       1    You need a lot of ________________ (motivate) if you want to be good at a sport.

       1    It was difficult to ________________ (rescue) the walkers from the middle of the desert.

       1    You need to use your ________________ (imagine) to write a good story.

       1    It takes a lot of ________________ (prepare) and planning to climb a big mountain.

I work very hard all week, so I need to ________________(relax) and get some rest at the weekend.

       1    The new company is going to bring a lot of ________________ (employ) to our town.

       1    Walking fifty kilometres across the desert is a real ________________. (accomplish)

       1    It was a great ________________ (achieve) to beat the other runners in that race.