I and simon are having our lunch. 请问这句话错在哪里?

I and simon are having our lunch. 请问这句话错在哪里? Who looks like an actor,Sam?Bill and Simon are.这句话哪里错了,为什么? I and Rose are looking for our lovely dolls.这句话哪里错了要怎么改! We are having lunch together.划线在having lunch We are having a picnic.这句话错在哪里?改正后是怎么样的? I and Jim are new students.这句话错在哪里? l think we are sure to come true our dream.请问这句话哪里错了 without for lunch without having lunch 哪个对 错的错在哪里 Are we having lunch? I have eggpiant and beef on lunch哪里错了? what are you doing? I am (只是)having lunch. I have not time to have lunch.这句话哪里错了,请改正过来