相关BobishappyHeisatanew的文学知识

问题详情：   Bobishappy.Heisatanewschool,andtheotherstudentsarefriendly.“Hi,Bob!”Theysay.Butsomestudentssay,“Hi,Peter!”Bobdoesn’tunderstand.Heasksanotherstudent,“WhydosomestudentscallmePeter?”...