when the door opened and his wife came inthe door opened这里的opened是过去分词做后置定语吗?相当于which was opened.如果不是请说明下为什么.open是动词的话，为什么没有采用被动语态。那这句是倒装句？

When I opened the door,I (get) a big surprise S(),the door opened he was still smiling when the door opened and his wife came inthe door opened,我听过open the door,这里是怎么回事? He opened the door wide. when the door opened, all the fans ran t_______- the famous star When the littil girl gave a hard p**** ,the door opened at last 翻译:when kevin opened the door,he saw a white cat sitting in front of the door. When i am geting close to the door,the door opened.这个句子是一个表示门 主动开的句子.我不明白为什么后面是opened. When he opened his door,he found everything in the room was g___ I was going to open the door when it opened of itself.什么意思? 连词成句 close,when,the,I,to,was,it,getting,opened,door I had hardly opened the door when he rushed inhad 在这里有什么作用? the moment 的用法when i opened the door the momemt the scale fell from my eyes可以说成when i opened the door,the moment ,the scale fell from my eyes John knocked at the door for nearly five minutes ____his wife opened ita.when b.before为什么不能选when He opened the door.变被动语态 Who opened the door?改为被动语态. The door opened.改为否定句 The boy __English on the radio when I __ his door.A.was learning,opened B.is learning ,opened我觉得两个都可以,究竟改选哪个呀?