选择恰当的选项填在相应的横线上。（每空15分）
Zhang Peng：Hi! _________
Mike： I’m going to Shanghai.
Zhang Peng：
Mike：I’m going to visit my grandparents.
Zhang Peng: What do your grandparents do?
Mike：
Zhang Peng:
Mike: I’m going by plane.
Zhang Peng:
Mike: Thank you.