The film is a three—hour documentary.(用last来改写句子,保持意思不变）
问题描述：
The film is a three—hour documentary.(用last来改写句子,保持意思不变）
答
last 可以用作动词，表示“延续”。所以可以改写为：The documentary lasts three hours.
答
The film is a documentary which lasts for three hours.
The documentary lasts for three hours.