阅读下面一篇短文，选择正确答案。

One Sunday morning Mr. Green and his child, Bill, are in a big shop. Mr. Green wants to buy a new blouse for Mrs. Green. Bill likes oranges, so his father buys two kilos（公斤）of oranges for him, too. Bill wants to buy some picture-books and colour pencils, too. There are many people in the shop. They are men and women, old and young. They all want to buy something there.