С.

complete the sentences by changing the words in brackets into correct correct forms

my granddad had a long career. he started work as an assistant and worked his way to the top. (assist.)

being a firefighter is a very stressful (occupy)

it took mark a long time to find a new job he nearly two years.

(employ)

it takes a lot of hard work to be in this bussiness (succeed)

mary is 60 next week and she's leaving , so remember to wish her'happy (retire)