who is this 或Who is that的回答可以用she is 或he is吗还是必须用this is 或th

who is this 或Who is that的回答可以用she is 或he is吗还是必须用this is 或th Who is that speaking 回答用this 还是that 英文句式：一般疑问句”Is this.“可以用”Yes,this is“或”No,this is not“回答吗 who is that girl?回答是she is还是it is..可以回答she is me who is this?答语用she\he\it? 用适当的介词或连词填空 ​ 1.Who is the director -----this clothing Who's this用this is回答还是it is回答 who is that boy,()is lee,that;this;it;he who is that speaking?为什么回答是This is...speaking who is that boy over there ( he is 还是this is ) my brother who is that和who's this 打电话用语到底问别人你是谁,用who is this 还是who is that 他们有什么区别吗