she works at a tvstation work为什么加S?本人初学者.还有 为什么用at 不用in on?

She works (in) a school.还是(at) she works at a TV station _______a reporter She is a farmer. She works _________ a farm.A. in B. at C. on D. / my mother is a doctor she work in a hospital she often works at ____ she works hard,but she don’t good at mathsshe works hard,but she【】 good at maths A.don’t B.isn’t C.aren’t 短句改错:Mary works at a bank.she begin at eight o'clock已经知道了 My mother works __ a magazine .She is a reporter.A.for B.at She works (in) school.还是(at)She works (in)a school.还是(at) 答得好答得对多加分！ She works at school,She teaches Chinese,She's _____ She works ()a car factory she now works as a math teacher at a high school work为什么+sshe now works as a math teacher at a high school work为什么+s 用works ,station ,she ,at ,TV ,a 来连词成句 She mother is a super actress.改错Sometime he works at home.改错 She works very hard the day.A.at B.on C.in D.of My aunt is a .she works at No.1People hospital She works there ( ) ten years.A.for B.at C.from Laura works in a bank.She works 40 hours a week.She begins working at eight o’clock in the morniLaura works in a bank.She works 40 hours a week.She begins working at eight o’clock in the morning and stops at five o’clock in the afternoon.She ha She wears a white uniform and works in a hospital.Usually she works in the day,but sometimes theworks at night.翻译一下