选择正确的答案。

Mr and Mrs Green's house is far from the city. There are no big shops near their home. So they go shopping at weekends. On Sunday morning, Mr and Mrs Green o shopping with their son, Tom. Mr Green drives the car to a big shop. It sells clothes. Mrs Green like them. So she chooses(选择) a dress and tries it on. It looks great on her. She buy it for herself. Then she buys a shirt for her son and a sweater for her husband(丈夫). After that, they go to a supermarket to buy some food and fruit.