Question

You ______be tired after working for eight hours without ______ a rest.

A．can; have

B．may; having

C．must; having

D．need; to have

Answer 1

C

试题分析：句意:没有休息连续工作8小时，你一定累了。must 表示推测，意为一定，肯定，只用在肯定句中，否定句中用can。may 表示推测，意为可能，可用在肯定句或否定句中；without 是一个介词，后跟动词的ing形式。故选C。