为什么是Who bought a new car?而不是Who did buy a new car?
问题描述：
为什么是Who bought a new car?而不是Who did buy a new car?
答
did 是永远疑问句
比如：did he buy a new car
这里已经有疑问词who 不再需要did
而且这两种都是固定句式
who did..
did sb do sth 也是就是说 由WHO开头的句子不需要助动词吗？嗯。对的好的谢谢！嗯，可以的话还望及时采纳谢谢。