The Oscar nominations will be announced on Tuesday, with an expanded best picture category which it is hoped will make room for a wider range of films.
which it is hoped will make room for a wider range of films 这种定语从句称为嵌入式定语从句,即关系代词在定语从句的嵌入分句中作成分。本句中which在it is hoped后的that从句(真正主语从句)中作主语。网友可以在本网搜索阅读“嵌入式定语从句”,对这种从句作进一步了解。