阅读理解。仔细阅读短文并根据短文内容选择正确答案。（10分） Mr. Green is a teacher of English. He isn’t old but he isn’t young. He is forty- three. Mrs. Green is a worker. She is thirty-nine. They have a daughter and a son. They are Americans. Their daughter’s name is Kate and their son’s name is Jim. Kate is thirteen and Jim is only five. Kate is at school. She is in Class Three, Grade One. Jim is too young. He is at home. They have a good family. (    )1. Who is a teacher of English? A. Mr. Green.     B. Mrs. Green.  C. Kate.   D. Jim. (    )2. ---- How old is Mrs. Green?     ---- She is _________ years old. A. 43     B. 39     C. 13     D. 5 (    )3. Is Kate at school? A. Yes, she isn’t.   B. No, she, is.  C. No, she isn’t.  D. Yes, she is. (    )4. What’s their son’s name? A. Green.   B. Mr. Green.   C. Jim.    D. Kate. (    )5. Kate is _____. A. at home  B. in Class 3, Grade 1  C. isn’t a student  D. five years old