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................................. 2 It is necessary to s...

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................................. 2 It is necessary to switch off your mobile phone during exmas. you.................................. 3 It isn't necessary for us to get up early at the weekends/ We..... Как это делать???? Спасибо