Question

I have finished translating a large part of the book, but the rest ___ more difficult.

A．is

B．are

C．was

D．were

Answer 1

A

这题考查主谓一致，the rest做为主语，谓语要看the rest修饰的名词，这里the rest后面省略的是the book，所以谓语用单数，而且是一般现在时。如果the rest后面修饰的名词是复数，谓语动词是复数。