Слова в iv. complete the sentences using must, mustn’t, (don’t) have to, can’t, ought to, shouldn’t, had better. 1) you look very pale. you … take some aspirin and go to bed. 2) look at this phone bill! i really … try to make fewer phone calls. 3) you … walk the dog again. john walked him an hour ago. 4) you … be loud during the lesson. 5) i’m afraid you … park here. 6) i can’t meet my friends in the evening because i … do my homework. 7) you … take all this waste paper to the recycling bin. 8) this is an old-fashioned school. all students … wear a uniform. 9) you … throw away all this paper. it can be recycled.