Answer:
What word becomes shorter when you add two letters to it?
I mean goodbye for South Americans.
I plow and plow, but never sow. What am I?
I am round as an apple, deep as a cup. All the King's horses can't pull me up. What am I?
I always murmur but never talk. Always run but never walk. I have a bed but never sleep, have a mouth but never speak. What am I?
It flows out of the soil, It burns you if it boils, And holds us in its coils, More valuable than gold, As black as it is old.