Answer:
I have a straight back and sharp teeth to cut objects.
I am a word of six; my first three letters refer to an automobile my last three letters refer to a household animal my first four letters is a fish. What am I?
Of the king I am blue and of the peasant I am red. Of the frog I am cold and of the dog I am hot instead.
I am always hungry, I must always be fed. The finger I lick will soon turn red. What am I?
I am a lunch money thief
Runs over fields and woods all day. Under the bed at night sits not alone, With long tongue hanging out, Resting at your feet until we go for a walk