have的奇怪用法have遇到三人称单数要变has但书上怎么有He is old,but he doesn't have

tom is not old,but he doesn;t have-----hair He doesn’t have football.He doesn't has but he doesn't have 车 but he doesn't have any hair. he doesn't like any subject,这里的subject是单数,为什么he doesn't have He doesn't have dog? 还是 He doesn't has dog? 是have 还是 has ? He ()a watch.A.have B.doesn't has C.doesn't have D.not have He ____two brothers.But he doesn't have ___ sisters? mr poor doesn't have _____ money ,but he has ____ friends .s He wants to buy a CD,but he doesn’t have e money（怎么填空） He is a s__ man.He doesn't have thoughts. He doesn't have strong arms.变同义句