A key concept is an attack that took place. It is developed by providing further explanation of the US Pacific Fleet casualties and the all the warships damaged. and sunk.
Compound. The simple sentence would be 'they were very busy'
Awnser:
Annihilate- Destroy utterly; obliterate
annihilate. Killing ends when the thing you are killing (your sworn enemy, all hope, a pesky mosquito) is dead. Annihilate goes farther-when you annihilate something, you wipe all trace of it from the earth. You kill a person, but you annihilate a tribe, a town, or even a species.
The answer is D, a beautiful place for a concert. The appositive is a noun or a noun phrase that renames the another noun right beside it. It is usually surrounded with commas, that is how it is mostly and most easily recognized. The answer cannot be A, because that is a part of a sentence, not a phrase. B is a noun phrase, but not appositive. C is just a noun. So we are left only with D, which is the correct answer.
that would be overgeneralization