All the clerks went home ____ Mr.Wang,for he had to finish his work.空格中填

问题描述:

All the clerks went home ____ Mr.Wang,for he had to finish his work.空格中填

except
所有职员都回家了除了王先生,因为他不得不完成工作

这里可有三个选择,意思略有不同,但都适用于本句:
before--在他之前走
without--舍他而去、没有等他
except--除了他