【英语故事】what are you doing with my car?

One day Mr and Mrs White go shopping by car.They stop their car near a store.They buy a lot of things and they want to put the things in the car.But Mr White can't open the door of the car,so they ask a policeman to help them.The policeman is very friendly to help them.Just then a man comes up and shouts,"What are you doing with my car?" Mr and Mrs White take a look at the car's number and they are frozen there.It isn't their car. store[stɔr, stor]：商店，贮存 shout[ʃaʊt]：大喊 frozen[ˈfroʊzn]：冰冻的，呆若木鸡