根据短文内容，按要求答题。
Today is August 17^th. It’s my sister Mary’s ninth birthday. 73In the morning, my parents take us to Heima Clothes Store. There my mother buys a red sweater for Mary. After that we go to Huaxing Bookstore. At the bookstore, I buy some CDs for Mary. My father buys a book for her. Its name is Harry Potter. It’s Mary’s favorite book.
74In the afternoon, my parents have a party in our home for Mary. Mary’s friends Mike, Jim and Cindy come to the party. Mike brings a new pencil case to Mary. Jim gives Mary a soccer ball. My sister likes playing soccer. Cindy gives Mary an English-Chinese dictionary. At the party Mary is very happy. Oh, do you know me? I’m Mary’s brother. My name is Nick.
（一）根据短文内容简要回答下列问题。
How old is Mary?
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Does Nick’s sister like playing soccer?
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（二）将短文中划线的两个句子译成汉语。
                                     
                                     
（三）请给短文拟一个适当的标题。