this is tom,___did itA.thatB.whom i thinkC.who i thinkD.i think who选哪个?为什么?

this is tom,___did itA.thatB.whom i thinkC.who i thinkD.i think who选哪个?为什么? Hello.this is Mary speaking.Is Tom in? Hello.――Tom.Hello.this is Mary speaking.Is Tom in? Hello.――Tom. I can This is Tom speaking Mary:Hello.This is Mary speaking.Is Tom in?Tom:Hello.This is Tom.Mary:I can't go to_____?Tom:WhatMary:Hello.This is Mary speaking.Is Tom in?Tom:Hello.This is Tom.Mary:I can't go to_____?Tom:What's__________________?Mary:I ____ ____ ____fever.Tom:I'm Hello.Can I speak to Tom?____A.Yes,I am B.I am Tom C.This is Tom speaking D.That is Tom Hello!34776855Hello!_______” A This is Tom .B I'm Tom C Who are you?D Are you Tom? hello,8217748.may i to tomhello,8217748.may i ( )to tomyes,this is tom speaking .who is ()?this is kate Is this Tom?怎么回答 this is ( ) tom 填冠词 is this Tom的回答 is this a postcard -----tom? this is tom _____(speak) Is this( )bike,jack?No,you can ask Tom.I think it is( )bike? 1 Could I speak to Tom 2------- A ,I am B.I am Tom C ,This is Tom D,Speaking 为什么? This is ( )brother.( )name is tom 请问I think this is Tom's book.对Tom's book画线提问 __ __ __ you think this is.前面三个空怎么填 This is Tom和He is Tom的区别!急用! Hello!Can I ____ to Mary?This is Tom speaking.A.speakB.sayC.talk