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МатематикаВопрос:
2 It is necessary to switch off your mobile phone during exams. You ...............................................................................
Ответ:
2 It is necessary to switch off your mobile phone during exams. You have to ...............................................................................
Ответ: You have to switch off your mobile phone during exams.
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- 9 Rewrite the sentences using should/ought to, shouldn't/oughtn't to, have to, don't have to, has to, doesn't have to.
- 1 It's a good idea to brush your teeth after meals. You ...............................................................................
- 3 It isn't necessary for us to get up early at weekends. We ...............................................................................
- 4 Doctors are obliged to wear a uniform at work. Doctors ...............................................................................
- 5 It's not a good idea to eat in class. You ...............................................................................
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- 7 It's not necessary for Tom to go to football practice on Sundays. Tom ...............................................................................
- 8 It's not a good idea for students to be late for the exam. Students ...............................................................................
- 9 It's not necessary for Jane to take the bus to school. Jane ...............................................................................
- 10 It's a good idea to exercise to keep fit. You ...............................................................................
- 11 It's Ruth's duty to answer phone calls and make appointments. Ruth ...............................................................................
- 12 It isn't necessary for students to wear a uniform at school. Students ...............................................................................
