根据要求完成句子
（1）My sister is a dancer.(改为否定句)
My sister _______ a dancer.
（2） He is a policeman.(对划线部分提问)
______  _______job?
（3）They are from France. (对划线部分提问)
______  ______ they from ?
（4）She helps people in her work.(变为否定句)
she______  ______ people in her work.
（5）I am a TV reporter.(改为一般疑问句)
______  ______a TV reporter?