单项选择题
A.Repairing the heating for the woman. B.Introducing the mom to the woman. C.Repairing the TV for the woman. D.Turning on the light for the woman.
A.Clerk and guest. B.Shop assistant and customer. C.Employer and employee. D.Store keeper and customer.
A.$ 60. B.$100. C.$120. D.$ 200.