6.English _____ (speak) by the largest nurmber of people.

问题描述:

6.English _____ (speak) by the largest nurmber of people.

首先,整个句子欠缺谓语.就先考虑speak,但又发现“英语”是被说的,于是用被动语态,所以加上be动词.
因此答案是is spoken