Whom are you looking for?句子成分怎么划分?每个单词属于什么?还有;Have you ever been to Shanghai?What do you want to do?要求一样,

问题描述:

Whom are you looking for?句子成分怎么划分?每个单词属于什么?
还有;Have you ever been to Shanghai?What do you want to do?要求一样,