3. 2.don't have to 4. 2.doesn't have to
3.have to 3.don't have to
4.has she to 4.mustn't
5.Have we to. 5.mustn't
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Answers & Comments
3. 2.don't have to 4. 2.doesn't have to
3.have to 3.don't have to
4.has she to 4.mustn't
5.Have we to. 5.mustn't