补全对话.A:Hello,amy.___________________ B:We went to the countr

补全对话.
A:Hello,amy.___________________
B:We went to the country yesterday.
A;_____________________________?
B:Because we went to see my grandparents.
A:____________________________?
B:we helped my grandma do some housework.
A:____________________________?
B:we stayed there for five hours.
A:____________________________?
B;By bus.But we ________________back by train.