Fill in the gaps with must, mustn't or don't have to

Question

Fill in the gaps with must, mustn't or don't have to

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Answer 1

2 -  has to
3 -  mustn't
4 -  must или have to
5 -  mustn't
6 -  must (have to)

Comments

Мне кажется, в 4 предложении вы не правы, нужно употребить don't have to. И вообще ощущение, что вы не смотрели на номера предложений

Answer 2

2. must  3.don't have to 4.must 5.mustn't 6.must