who'd
uk/huːd/ us/huːd/
（who had 的缩略形式）
short form of who had
She wondered who'd sent her the mysterious email. 她想知道是谁给她发的神秘电子邮件。
（who would 的缩略形式）
short form of who would
Well, who'd have thought Joey was going to become so successful? 谁会想到乔伊会变得如此成功？
- More examples
- Who'd like another piece of cake?
- I wondered who'd written the note.
- Who'd have thought that Kevin would do so well?
- He asked who'd unlocked the door.
- He is the man who'd never been on a plane.