Sarah came running in. "Look what I found." Over the top of the paper I was reading came a crispy（易碎的） , crumbling long object that caused me to jump. It was a snake skin that had been shed by one of our many garden snakes."Isn't it be

One afternoon about a week before Christmas, my family of four piled into our minivan to run an errand, and this question came from a small voice in the back seat: "Dad," began my five-year-old son, Patrick, "how come I"ve never seen y