Question

His first book ________ next month is based on a true story.

A．published

B．to publish

C．to be published

D．being published

Answer 1

C

考查分词做定语。His first book与publish构成被动关系，用过去分词表示被动和已经完成，相当于一个定语从句。Published next month="which" was published;句意：上个月出版的他的第一本书是以一个真实的故事为基础的。