which boy?the boy behind the door的意思?

Which boy?The boy behind the door. which boy?the boy behind the door的意思? _____ boy is tom?The boy under the three.A who B where C which :boy: boy So frightened ( )that he couldn't say a wordA.the boy was B.was the boy C.did the boy be D.be the boy the owner must be a boy（否定） the owner——be a boy which class 1s the boy in?what is ten boy is name?汉语是什么? 翻译In which class is the boy in white? The boy had a strange illness,which u_____ his parentsRT, boy will be boys Doo be di boy Boy will be Boy.Wil.Be.Boys Which one is the boy with the reddish brown hair? I asked.Which one是which疑问词+主语one+系动词is the boy?还是which one主语? The boy in the white trousers ( )(be)from Beijing The boy and the gril ＿(not be)from Beijing. Where_____(be) the boy and the girl.请问为什么?