【1】1.that's all right.come in please

【1】1.that's all right.come in please
2.thank you sir
3.sorry,Mr green,I'm late
【2】1.it'my toy train.
2.sure here you are
3.can I have a look
4.what's that on the desk
【3】1.I helped my uncle milk cows?that's fun
2.where were you last sunday?
3.I want to go to the farm,too
4.what did you do there?
5.I was on seven trees farm?