In the past, the workers _____ do a lot of hard work. A. forced   B. forced to  

题型：不详难度：来源：

In the past, the workers _____ do a lot of hard work.
A. forced   B. forced to    C. were forced to

答案

C

解析

考查时态及语态。句意：在过去，工人们被强迫做许多多艰苦的工作。结合语境及时间状语，可知本句描述的是过去发生的动作，故用一般过去时态。主语the workers是被强迫force的对象，故用被动语态。选C。