答案选c:in the school 在学校
a:at school 在学校；在上课；在求学；偏向于指学生在学校上课
b:in school 在求学
there are 50 teachers ____ a: at school . b: in school. c: in the school 哪个正确?
there are 50 teachers ____ a: at school . b: in school. c: in the school 哪个正确?
英语人气：304 ℃时间：2020-04-11 14:41:35
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