Are you on the topic? It is easy to memorise a talk about some common topics, but can you decide what you should talk about and what is really off the topic?
It is important to listen for key words. Key words are often stressed — they sound louder. When there are two or more key words you should talk about them too, but only in relationship to the main topic.
A Yes, I did. I love sport and I'm very excited about China hosting the Olympic Games.
A Yes, I have. I cook for my family two or three times a week because my parents both work.