Answer:
What gets sharper the more you use it?
I am a rock group with four members all of whom died in plane crashes. Who am I?
To cross the water I'm the way. For water I'm above I touch it not and truth to say I neither swim nor move.
I am a time for gathering crops. Remove the first three letters and I become an object you can wear.
In buckles or lace I help set the pace. The farther you go the thinner I grow.
When is it bad luck to see a black cat?
What am I?
Animal
Difficult
Easy
Food
Funny
Kids
Logic