What are your grandparents doing?
呵,英文中不分外不外的,祖父母和外祖父母是同样的。
what are your grandparents doing?
祖父母与外祖父母英语是一样的
其次,要用现在进行时的时态
What do your grandparents doing?
What are your grandparents doing? 现在进行时
What do your grandparents do?一般现在时
你判断时态,看看学了哪个,然后再选. 我估计应该要用现在进行时.
What are your grandparents doing?