Решение:
Нужно выбрать подходящую грамматическую конструкцию, чтобы закончить каждое предложение. Выбираем правильный вариант.
- Lisa has got an old smartphone. She buys a new one.
- Lisa has got an old smartphone. She is going to buy a new one.
- "Are you going to the doctor?" - "Yes, I am going to see him tomorrow at 8 am."
Ответ: buys; is going to buy; am going to see.