I am going to America on saturday 这句话错在哪儿

I am going to America on saturday 这句话错在哪儿 I AM GOING TO AMERICA ON SUMMER VACATION I have a busy weekend.On Saturday morning,I am going to the I am going to America和I am going to go to America有什么区别? Ben and Pete going to the zoo by bike on next Saturday.这句话错了 一篇英文阅读This week I am going to New York City.On Saturday morn I am going to do homework on the evening这句话对吗? I am going to the Book Center ()Saturday morning I am going to( )my cousin in America. I am going back to America next month 为什么在这句话中不加on?:kay is going to the doctor Saturday morning. 1.saturday morning an i to going zoo the on