It was the largest experiment we had ever had; it six hours.A. endedB. finishedC. prolong

发布时间：2020-08-14 23:34:04

It was the largest experiment we had ever had; it      six hours.
A. ended
B. finished
C. prolonged
D. lasted

网友回答

A. ended
B. finished
C. prolonged
(答案→)D. lasted
解析：　last vi. (for) 持续。
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