根据提示写出单词的正确形式。

     (他的) name is Dave Smith.  Smith is his  (姓) name. He is (九) years old. He studies in NO. 2  (中学) School. He has a (朋友). Her name is Jenny. She is 5. Dave has a  (夹克衫). It is and   (黑白相间的). Jenny has a (钢笔). It is red. She likes it very much. It is in her  (紫色的)pencil case..