三四天远远不够。（谓语动词用单数，道理同上）

Three or four days is far from enough.

youdao

你是家中唯一一个受过教育的人。(谓语动词用单数)

You are the only one of the family who has received education.

youdao

你是家中唯一一个受过教育的人。(谓语动词用单数)

You are the only one of the family who has received education.

youdao