When you're all dressed up, you're said to be in your ___ best.

Of the six natural noble gases, all found on Earth between 1894 and 1900, which was discovered last? "All animals are equal, but some animals are more equal than others" is from a 1945 book by which author? "All children, except one, grow up" is the opening line of which story? "All creatures drink of joy at nature's breast" comes from Schiller's verse used in an 1824 symphony by which composer? All eyes were on which woman when she testified before the Senate in October 1991? "All Hail to ___" is the official state song of which New England state? "All in the Family" was reworked into which spinoff, "___ Bunker's Place"? Complete Tennyson's line: "Into the valley of ___ rode the six hundred."