It was my job to introduce each other.(改为同义句）

It was my job ( ) (clean) the classroom 同义句转换 It was my job to keep pigs My job_______ _________ ______pigs It was very hard for me to make a ____but I decided to leave my job. it was my job to i___ each star in the charity show.咋填 It was my job to introduce each other.(改为同义句） It was my job to introduce each star(同义句）My job was＿＿ ＿＿ ＿＿． it was my job to have each horse caught by the time my father got his shoes的中文意思. It was my job to introduce each star(同义句）My job was_____ _____ ＿＿＿＿ ＿＿＿＿＿． It was very for me to make a decision ,but I decided to leave my job 求翻译 it was my job to introduce each other还有这句：1.no time to be nervouse any more It was a good chance to improve myself,and I determined to try my best to complete the job这句话有语法错误吗？ it is my job doing/ to do?怎么区分?为什么? e to work to support my family .My first one job was to clean the In fact it was a hard job for my father to support so big a family at that time.为什么要用it? It was his job to ripair bicycles.我不明白开始为什么用it was. To introduce each star was my job.还是To introduce each star is my job.如果是做同义句It was my job to introduce each star.应该用哪一个？另外动词不定式做了主语之后还需要体现时态吗？ but it was too late to ( ) my it was my turn to laugh