Who/What … that …

结构︰

疑问词（who，what 等）…＋that…

说明︰

为避免与疑问词重复，可使用 that 取代 who，whom，which。

Who is the boy that is standing over there?
站在那里的男孩是谁？
What is the book about that she is reading?
她在看什么书？
Where is the man that owes you $100?
$100?那个欠你一百块的人住在哪里？