Mike:Welcome to our school! Visitor:Thank you。 Mike:This is our playground。that is my classroom。 Visitor:How many students are there in your class? Mike:Forty -five。 Mike:This is library。 Visitor:Oh，it"s big。 Visitor:Do you have lunch at school?
Mike:Yes!The canteen is on the first floor。This way ， please。
Visitor:Oh，your school is beautiful。