Fill in the Blanks Obligation, permission and possibilityOnline version Complete the sentences with the words in brackets. by Florencia Campodónico 1 can have to I usually choose my own hours at work , but I work at least forty hours a week . 2 must can't You use your mobile . It be switched off . 3 can don't have to You pay in pounds . You also pay in euros or dollars if you prefer . 4 have to must The main requirements in my job are that you be good at making decisions and you be a good leader . 5 had to couldn't Sorry I'm late home . I stay at work and finish a report . I leave until I'd sent it to my boss . 6 don't need to must You have a university degree to work here , but you have a lot of relevant experience . 7 could didn't have to had to We study at least one foreign language at school , but we study English . We choose from English , Russian , German and Chinese .