【急求】根据短文内容及首字母提示,填写所缺单词,使句子意思完整.（见补充）
Justin and Michael come from the U.S.A.,but they're in C_________ now.They're n________ students in Kangkang's class.They're c________.They're often in the same c________.And Kangkang t________ the look the same.