Do you have __________ idea of how to do this exercise?

Mary:  Do you have (6) _______________ idea of how to do this exercise? 

Peter: No, I have no idea, but my mum gave (7) _______________ books to study, maybe the answer is there! 

Amy:  Can you give me (8) _______________ of your posters? You have a lot of them! 

Claire: No, they are all mine. I can't give you (9) _______________   poster! But I can give you (10) _______________ old magazines I have... 

Amy: No, thanks. You are so selfish...