老师被指控打了学生。

The teacher is ___alleged to have hit a student.

他声称贝茨攻击了他。

He ___alleges that Bates attacked him.

永续经济增长的倡导者声称，我们生活的世界比很久以前更好。

Advocates of perpetual economic growth ___allege that the world in which we live is a better place compared to what it was a long time ago.