Fill in the blank with one word. The first letter is given already. 在横线上填上合适的单子,单词首字母已给出.注意所填单词前后两个句子之间的联系.(答案请给出完整单词,注意拼写和大小写) Often a school will have special services for specific populations. For example, at a school where most of the students commute, there may be an office that helps students locate bus schedules and routes, finding a parking lot and sign up for permits, or track down car pools. S , at a school where many students are parents, a child-care center may provide day