Read all the books at my local library on my favourite topics by the age of 11 too.

Ah, I see we're back to our favourite topic!

You will soon have exhausted each favourite topic.

His favourite topic was: "Time is not our own, and we must give a strict account of it."

She was talking about her favourite topic again.

She loves her friends and her favourite topic of conversation is boys.

In the process, he was an up-to-date researcher on his favourite topics.

He selected one of his favourite topics: 'Call this a summer?