All the clerks went home Mr. Wang. Why?Because he had to finish his work.A. excep

问题补充：

--- All the clerks went home Mr. Wang. Why?

--- Because he had to finish his work.

A. except

B. besides

C. without

D. beside

答案：

(答案→)A. except

B. besides

C. without

D. beside

解析：except意为只有……除外;除去……,后跟名词或代词作宾语,强调从整体中除去部分,即except后的部分不包括在整体之内；besides意为除了……以外还有……,即除去一部分还有另外一部分的意思；beside在旁边；without没有，超过；句意：除了王先生以外，所有职员的回家了。为什么？——因为他没有完成他的工作。结合语境可知选A。