A1 for what reason为什么
"I'm going home." "Why?" “我要回家了。”“为什么？”
I don't know why she isn't here. 我不知道为什么她没在这儿。
Quite why he isn't here today is a mystery. 他今天为什么不在这里真是个谜。
- She cited three reasons why people get into debt.
- I'll never comprehend why she did what she did.
- It's easy to see why he's so popular.
- She marched into my office demanding to know why I hadn't written my report.
- My usual train was cancelled. That's why I'm so late.