1. (2021七上·绍兴月考) 阅读下面的短文，按照句子结构的语法性和上下文连贯要求，在空白处填入一个适当的词或使用括号中词语的正确形式填空。

Good afternoon! This is English boy and(he) name is Jack Smith. He is in a school Shanghai. He likes greenred. That girl (be not) Jack's sister. She is ( I ) sister. She is in Shanghai, .Look! is that ? Oh, it's a book. You can (see) the number 20210102. It's (she) ID number.