A lot of people were made tired of the lecture which as long as four hours.A. keptB. went

问题补充：

A lot of people were made tired of the lecture which as long as four hours.

A. kept

B. went on

C. continued

D. lasted

答案：

A. kept

B. went on

C. continued

(答案→)D. lasted

解析：last 可用于表示“持续”，后接时间段作状语；continue/went on 后面都不能接时间段作状语。