7. Sorry, I do not know too much about …. After this interview I will make up this kind of field knowledge and learn it timely.
8. Sorry, I am not familiar with.... After entering your honorable university, I hope to continue to make some researches upon it with your support and assist.
9. I am not sure about …, but I know some information about …, can I give opinions about it?
10. I am weak in… but I am interested in…, can I share my ideas with you?