Rewrite each sentence using a modal verb of obligation, prohibition or advice. 2 It is obligatory for doctors to wash their hands. Doctors ... 3 It is a good idea for journalists to learn a foreign language. Journalists ... 4 In our school, we are not allowed to run in the corridor. In our school, ... 5 It isn't a good idea to use informal language in a job interview. You ... 6 It is not obligatory for students to wear a tie here. Students ... 7 It is essential for firefighters to stay calm. Firefighters ...

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