根据所给的首字母填写单词
American schools b      in September after a long summer vacation. There are two terms（学期）in a school y      : the first term is from September to J        , and the second is f       February to June. M       American children go to public schools(公立学校).High school students take only four or five s        at a term. They u        go to the classes every day, and they have an assignment(任务) for every class. After class they have m         activities. A       high school, many students go to c      .