Fill in must/ mustn t, have ( has) to / don t( doesn t ) have to. 1) you....... do your homework. 2) i..... take my umbrella. it s raining.3) you......walk on thin ice. 4) she....... go to school today. it s sunday. 5) mary ....... go to the dentist. 6) you....... feed animals the zoo.
1must
2have to
3mustnt
4doesnt have
5has to(must)
6mustnt
вообще, модальные глаголы очень спорная вещь))))
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