it is my ( )telephone 括号里要填a吗 还是不填呢

My telephone number is 154245453.What about( ) 括号里是填your还是yo 请问what is this is English?的答句是It's telephone还是It's a telepho my telephone number is(010-85426954)对括号部分提问 My telephone number is(5336688)对括号内提问 This is my telephone number .Please remember it The telephone is ringing.It ___ my boyfriend. It is a telephone a telephone是画线部分,（对画线部分提问） --- --- it --- what is this in english?可以回答是it is a telephone.telephone前为什么 It is a ____ telephone?空格处应填什么? 对划线部分进行提问 It is a telephone.（telephone划线部分） — 1.Her telephone number,is (880-2468).对括号部分提问 2.Tom is my bro a telephone number 还是an telephone number