学生们在课堂上热烈讨论环保问题。

The students ___argue passionately about environmental issues in class.

我试图说服他参加比赛。

I tried to ___persuade him into joining the competition.

这位学者在论文中论证了经济不平等对社会稳定的影响。

The scholar ___argues in his paper that economic inequality affects social stability.

她的微笑反映出内心深处的满足。

Her smile ___reflects deep contentment inside.