阅读下面的短文，在空白处填入一个适当的词，或填入括号中所给单词的正确形式（不多于3个单词）。

    Lin Fen is a middle school student. He likes to play basketball at school. And he always(come) home late. His home is near his school. And his mother knows that. So she(not) worry about him.

    They have a basketball game next week, so Lin Fen wants(buy) something for it. There is a store near their home. The store opens9:00. It is big and sells all kinds of(thing). Lin Fen goes to the store with his mother. "Oh! I needred sweater." says Lin Fen. His mother says," You look nice in the red sweater, it's not OK for playing basketball."

    Lin Fen says," Haha... I like this one very much. Please buy it for(I). And I want a pairshoes, too." His mother says to the assistant," Howare they?"  The assistant says," 300 yuan."