My sister ----(have)to look after my mother at home today

My sister ----(have)to look after my mother at home today I have to look after my sister at home.这句话有语法错误吗? my mother asked me to--- --- ---and look after my sister 同义句:I have to take care of my mother at home today.I have to I had to stay home and look after my sister my mother was ill.i had to look after her at home(同义句) my father is ill ,have to look after/look for him at home.哪个 we like to stay at home today said my sister I have to stay at home look after my（s ）brother.根据句意补全单词. i have to look after my gandmother at home (改否定句） (My mother) looks after my sister at home.对括号内的单词提问 My sister looks after Rose at home .