Other than a question mark? I'd have to see the sentence to understand or is this the sentence?
Yellowstone National park , the West's oldest national park, is the site of Old Faithful.
hope this helps!!!
The answer will be "Turn"
A: terribly: modifies old, an adjective
B: very smart: very modifies smart, an adjective
C; extremely modifies "slow", an adjective again
D: quickly modifies "hid" a verb - this is the correct answer!