Question

Half of the class ________ most of the work. The rest ________ really difficult.

A. have done; is
B. has done; are
C. has done; is
D. have done; are

Answer 1

答案A
解析：本题的class指“人”，不作为整体看待，故谓语用复数形式。又因the rest是指剩下的工作，指代不可数名词，故谓语用单数形式。故选A。题意为：一半的学生已做完了大部分工作，其余的的确很难。