Помогите с 6 и 7 заданиями пожалуйста

Question

Помогите с 6 и 7 заданиями пожалуйста

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Answer 1

1. Don't need to

2. Don't need to

3. Don't have to

4. Don,t need to

5. Don't need to

...

2. Mustn't

3. Must

4. Has to

5. Don't have to