I'm not sure I'm skilled at playing football. she

I'm not sure I'm skilled at playing football. I'm not sure I'm skilled at playing football. she She could stay at home,I'm not sure. I'm not sure I'm not sure ( ). A: I'm not good at playing football. B: Practice more and yo _____ she is at home ,I'm not sure A,May be. B Maybe. C. May I'm playing football.对playing football提问 怎么写? I'm not sure()( 至今) where's Lucy -I'm not sure,she ___ she()konw the answer,but I'm not sure. .She _____ know the answer,but I’m not sure.