这道题中的did表强调，Did ... V ...句型结构分析语法讲解：句子成分...，did,单词记忆法、语法用法，与did, 相关例句、名人名言

did单词相关例句：

I would rather be a poor man in a garret with plenty of good books to read than a king who did not love reading 宁为穷汉住搁楼，拥有好书任我读，不愿身居帝王位，纵有好书不爱读。
The course of true love never did run smooth. ( Shakespeare )——    真诚的爱情之路永不会是平坦的。（莎士比亚）
Why do you weep? Did you think I was immortal?——Louis XIV, King of France 你为什么哭泣，你认为我永生吗？法国国王 路易十四 "
I have offended God and mankind because my work did not reach the quality it should have. Leonardo Da Vinci, Italian artist  我已经冒犯了上帝和芸芸众生，因为我的工作没有达到它应有的水平。意大利画家 达·芬奇 L  

The white man did the red man a favour and helped him up.
这个白色的男人帮助这个红色的男人爬上来。


Superman did many good deeds for people.
超人为人们做了很多好事。


How did this horrible accident happen?
这桩可怕的事故是如何发生的？


There were so many seats, the new student did not know which row to sit in.
这有很多座位，新生不知道坐哪一排。


How did you get your hair so straight?
你是如何让你的头发这么直的？


Why did you have to say it so loudly?
你为啥要说这么大声？