1 GRAMMAR have to, don't have to, must, mustn't a Look at the pictures. Complete the sentences with the correct form of have to. 3 5 6 8 a b 1 Chefs have to have clean hands to work with food. 2 Chefs do the washing up. 3 A politician be very old. 4 A politician talk to lots of people. 5 Secretaries know how to use computers. 6 Secretaries be very tall. 7 - a pilot be strong? No, but they be intelligent. 8 wear a uniform? Yes, they usually wear a blue or white dress. 3 с 1 a nurse 2​