My father works ( ) BeiJing!填at 还是in

(my father) works in an office.对my father提问 My father works at a bus s_____ where my father works a_____ a cook. my father always works late.sometimes he works until m_____. My father works in Center Hospital.My mother works there,too.(合并成一个句子） My father works very long hours.(改为一般疑问句） My father works in a high school 译成中文意思? my father works a_____ doctor in a hospital. My father works in a big factory的一般疑问句 My father works ______ a bank in the USA My father works in the bank..(改否定句) my father works in a bank 改成否定句 my father is worker,he works on (machine) every day My father works all night.So he is very b________. My father is a____.He works ___a factory. My father often works at the evening哪里错了~ My father works in Beijing m_ of the time My father works ( ) BeiJing!填at 还是in