how can you ()if you are not ()为什么hear,listening?

how can you ()if you are not ()为什么hear,listening? How can you hear if you are not listening. if you can.you if you forget.how can i keep it If you think you can,you can If you think you can,you can! If you think you can ,you can If you thank you can ,you can . If you wish you can you can! If you thank you can,you can If you wish you can.you can! If you want.you can. If you want.you can How can you make youself ------- (understand) if you can't express clearly为什么给个理由 How can you promise me forever.If you can’t give me today? How can you make yourself (understand)if you can't express yourself clearly? How can you find yourself if no one can see you? if can see you