Ответ:
Краткое пояснение: Вставляем подходящие по смыслу модальные глаголы.
- A: Could wealthy boys in ancient Egypt read and write?
B: Yes, they could.
- A: ... ancient Egyptians have video games?
B: No, they didn't. They played board games, though. Their favourite one was Senet.
- A: Could girls attend school in ancient Egypt?
B: No, they couldn't. Only wealthy boys attended school.
- A: Could they tell the time?
B: Yes, they could. They had water clocks.
- A: ... ancient Egyptians have cars?
B: No, they ... They used boats instead.