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

I'm not sure I'm skilled at playing football. I'm not sure I'm skilled at playing football. she I'm not sure I'm not sure ( ). A: I'm not good at playing football. B: Practice more and yo I'm playing football.对playing football提问 怎么写? I'm not sure()( 至今) She could stay at home,I'm not sure. Tom _____ at hom ,but I'm not sure. I'm sure I am not wrong 为什么没有I’m not too sure? I'm not sure if it___tomorrow.