1 . 我突然想到他是在极力隐瞒什么。(strike)
________________he was trying to conceal something.

2 . 他突然意识到他们可以通过卖曲奇挣钱为社区做贡献。(occur, earn) (汉译英)

3 . 人们普遍认为，人工智能教育具有很大的发展潜力，因为它可以为学生提供个性化的教学。(assume)
It ________________________________ Artificial Intelligence education enjoys a lot of growth potential since it can provide customized teaching for students.

4 . __________ the firefighters' quick response to emergencies during the rescue was well worth praising. (admit)
人们普遍认为，消防队员在救援过程中对紧急情况的快速反应是值得称赞的.