泰德将在研讨会上谈论教育领域的职业发展。

Ted will ___speak ___about careers in education at the seminar.

在采访中，她谈到了母亲去世带来的悲伤。

In the interview, she ___spoke ___of her sadness at her mother's death.

视频中老师正热情地谈论着这个项目。

The video shows the teacher ___speaking ___about the project with enthusiasm.