Bill has a sister, Amy. Next Friday is Amy's birthday. Bill wants to buy a present for her. However, he doesn't have much money. Now he is in shopping mall. He spends a lot of time choosing a good and cheap present in a toy shop, but he can't find anything. He goes to the next shop. There are some beautiful hair clips in it. Bill likes them very much. He knows Amy wants to have one all the time. He chooses a blue one. It's not expensive. It costs 7 yuan. He goes back home happily. How does Bill feel when he sees the hair clips?
Happy. Bad. Hungry Tired