什么是stay and look

什么是stay and look stay,with stay,with mei want to stay with you and look at yo we must stay here and [ ][look]after basketour lunch . I had to stay home and look after my sister i stay home and look pictures biejing opera He stay at home and look after his mother yesterday. you look thirsty.stay here ,and I ( )you some water . You must —— yourself and ——.A.look out；stay healthy B.look f stay and stay up,look up , My mother is ill.I( )stay at home and look after her. Tom's mother was ill,so he (had to) stay home and look after