教授发表了关于气候变化的演讲。

The professor ___delivered ___a ___speech about climate change.

她向学生们发表了关于职业建议的讲话。

She ___delivered ___a ___talk to the students on career advice.

CEO将在年会上发表演讲。

The CEO will ___deliver ___a ___speech at the annual conference.