情景对话
A:Hi,Tom.Canyougotothemovieswithme?
B:Uh,when?
A:Today.
B:Sorry,Ican't.I__________________(得去看医生)thismorningand_________________(为数学考试而学习)intheafternoon.
A:Howabouttomorrow?
B:Sorry,tomorrowI____________________________(打算和朋友一起去踢球)
A:Well,whatareyoudoing_______________________________?(后天)
B:I_____________________________.(得上钢琴课)
A:Oh,Isee.
B:I'msorry,I'mreallybusythisweek.