Answer:
What common verb becomes its own past tense by rearranging its letters?
A morbidly-named body of water
You throw me out when you want to use me and you take me in when you don't want to use me. Who am I?
Of these things - I have two. One for me - and one for you. And when you ask about the price, I simply smile and nod twice.
I am a good state, there can be no doubt of it; But those who are in, entirely are out of it.
If you can spot one of these eastern warriors, it means they're not doing their job right.