He went to argue against the topic of debate.
There is much more that can be said on this topic.
I have been doing research on this topic for ten years.
He made an effort to turn the talk to another topic.
He discussed this topic with me yesterday.
The speaker digressed from his topic several times.
He can speak on any topic extempore.
Let’s change the topic.
Why didn’t someone bring that topic up?
Corruption is the topic of the day.
He never goes deeper into any topic.
Please leave this topic.
Collect ideas that are suitable to the topic.
Decide what you want to say about the topic.
What was the main topic of conversation?
Dreams have been the topic of discussion among men for centuries.
A paragraph is a group of sentences that focuses on some aspect of a topic.
You can converse with him on this topic.
Let us write an essay on this topic.
We were discussing the topic.
This is a very complicated topic and I can’t explain it in a single class.
He jumped from one topic to another during his lecture.
I am going to speak on the topic of political equality for women.
He goes on speaking without any rhyme or reason on every topic under the sun.
He concentrated on the topic of his research.
He wanted to turn the talk on some other topic.