Question

Such poets as Shakespeare________widely read，of whose works，however，some_________difficult to understand．

   A．are；are    B．is；is    C．are；is   D．is：are

Answer 1

A

解析:

考查主谓一致。主句中的主语应为poets,谓语动词用复数，其后的非限制性定语从句的主语应为some of whose works，谓语动词也应是复数。故选A。