机会亦如此，如果我们不保持警惕，那么总有一天，到手的机会也会被我们随手扔掉。
如果我们不保持警惕，那么总有一天，到手的机会也会被我们随手扔掉。
1.The__________wasn't very interesting, but between its__________there was something very interesting indeed. It was a__________strip of vellum on which was written the__________of the“Touchstone”! The touchstone was a small pebble__________could turn any common metal into pure gold.