My dog lives a happy life and he has nothing ___(worry)about

My dog lives a happy life and he has nothing ___(worry)about He has nothing _(worry) about. My father lives a tried and happy life 改错 改错句：My father lives a tired and happy life. Mr Green lives in a village.He has a big 1 and a strong dog. He has fancy dreams about his life,and nothing ever quite __ The girl is happy every day.She has nothing()(worry)about changes ___(bring) us a modem life and we feel happy about i 1() nothing more to worry about,he sat down and relaxed. Don`t ___ me.i can manage it on my own A.worry about B.worry I know nothing about him ___ he is a teacher. He is very ___(worry) about him.