根据汉语提示完成句子（共6小题，每小题1分，满分6分）。
He promised not to tell anybody about my ____(秘密)。
The girl stayed up all night long， so she felt ___________(困倦的) all day.
It is necessary for us to ask questions _______(礼貌地).
Don’t leave your bike outside.Someone may _______(偷)it.
She knew the ____ (重要性) of working hard and not just to do what she enjoyed.
I couldn’t decide _____(是否) or not to go to the party.