Question

He is often made _____ for twelve hours a day by his boss.

A．work

B．working

C．to work

D．to be working

Answer 1

C

试题分析：在主动结构中make 后加省去to 的动词不定式做宾语补足语。但当make 用于被动结构中时，主动结构中省去的to还得加上。即be made to do sth。句意：他经常被老板迫使一天工作12个小时。故选C。