为什么是 It is I who answered the phone.而不是It is me who answered the phone同题

为什么是 It is I who answered the phone.而不是It is me who answered the phone同题 it is I who -----right. Someone is singing in next room.Please go and see who it is.为什么是 who it is who is singing?it must be susan.为什么是用it 为什么是is knocking：Who is knocking(knock) at the door?it's me. it is you, not me, who are wrong.一句中为什么是用are 而不是who is wrong? It is I who am wrong. It is i who ____ next Hmm,I wonder who it is? It is I who am your leaderIt is I who ------ your leader.am?,is?,are?为什么? this is little tonny,who i think has done very well though ,he is so young怎么知道I THINK 是插入语,为什么是WHO而不是WHOM? 1.Who's that?I don't know.I think ____is Mrs Brown.为什么是“is”作为答案呢 --Hello.May I speak to Jim,please?-- _________?Who are you Who is he Who’s that Who is it what is that?It is C.为什么是 It is? who makes me happy.it makes me happy.A good friend is someone who makes me happy.这里没有单三啊 为什么是makes it doesn't matter who/whom it is I'm talking to填who or whom? who is it is me .It is I也对为什么It is I是在资料书上看到的 I think it is who we talked about last weekend!