他正在用小刀刮掉锅底的焦糊。

He is ___scraping the burnt bits off the bottom of the pan with a knife.

他刮掉瓶底的最后一点果酱用来涂面包。

He used the last ___scrapings of jam at the bottom of the jar for his toast.

他用铲子刮地时发出的刺耳声让我起鸡皮疙瘩。

The harsh ___scraping sound of his shovel on the ground gave me goosebumps.