爸爸从4月27日到5月3日在上海出差,爸爸一共出差___天. 30-27+1=4(天)4+3=7(天)答:爸爸一共出差7天.故答案为:7.
英语 我爸爸和我的英语老师很熟(be familiar) 他去上海出差时,顺便拜访了他叔叔(drop in) My father is quite familiar with my teacher.He dropped in his uncle when he went to Shanghai for a business trip.
3. 我爸爸去上海出差有好几天了。 3.been on business