What do people have/do not have to do in their jobs? what must/must not they do? 1. car designers desigh modern cars but they test them. i think, car designers be clever and they like driving cars. 2. a nanny work with children. she get on well with them. besides, she be trustworthy and kind. 3. a lawyer know all the laws. but he/she keep the law and order in his/her job. lawyers be trustworthy professionals. 4. a librarian meet a lot of people during the day. a good librarian read all the books in the library she/he works in. 5. a businessman make his business plan and organise other people to realize this plan. a business person be trustworthy. 6. a houswife do a lot about the house. she look after her family. she does not need to go to wotk but what she does is a hard job. 7. a secretary help her boss to plan his time and to answer the telephone. sometimes she prepare tea or coffee. but she tidy up the office where she works. a good secretary use a computer very well. 8. a musician play a musical instrument very well. musicians be both talented and hard-working. 9. a cook prepare meals. a good cook know a lot recipes. he be very careful and he know what food to choose.