2. A: Do they have to work on Saturday?
B: No, they don't.
3. A: Do you have to speak English at work?
B: Yes, I do.
4. A: Does he have to work shifts?
B: No, he doesn't. He works 9-5.
5. A: Do we have to clean the office?
B: No, we don't.
Объяснение:
С местоимениями he, she, it в вопросе ставим глагол does. С местоимениями, I, you, we, they - do.
