请先圈出对话中的错误,并改正过来。
A:How many people is there in your family?
(1) __________________________
B:Five.
A:Where are they?
(2) __________________________
B:They’re my grandfother, grandmother, mother and me.
(3)___________________
A:What do they do?
B:My grandfather is a work.
(4)___________________________
My grandmother is a English teacher.
(5)__________________________
My father and my mother are all doctors.
A:We are happy.