学校里有个操场.there is a playground in the school.还是there is a playground at school.哪个对?
问题描述：
学校里有个操场.there is a playground in the school.还是there is a playground at school.哪个对?
答
应该是at the school . inschool指在校求学,at school 指在学校,没有in the school