Question

Half of the class ___ most of the work . Some of the work ___ really difficult .

A. have done, is B. has done, are

C. has done, is D. have done, are

 

Answer 1

【解析】

试题分析：句意：班里里一半的人已经做了大部分的工作，这项工作中的一些真的很难。前面的class指的是班级同学，是复数；后面的some of the work是指整体工作的一部分，应该是单数

考点：考查主谓一致的用法。