仔细看看两位同学的学生卡，在横线上填写正确的单词，完成下面的短文。
Hello! My ____ name is John. My last name is ____. I am 12. I'm in China. My telephone number is ____. I have a good friend. Her first name is ____. Her last name is Read. She's 13. She is in America. Her telephone number is ____.
的单调递增区间是 （ ）
