Small mice fit nicely into coat pockets.
The complete predicate in this sentence is "fit nicely into coat pockets."
This is because a sentence is made up of two halves: the complete subject and the complete predicate. The latter of these two makes up the part of the sentence that <em>describes</em> the subject, or what the subject is <em>doing</em>.
The appearance of Tybalt foreshadows Romeo's eventual death as he narrowly escapes it at Tybalt's hands. It creates a sense of impending danger for Benvolio, Mercutio and the audience as it is the first indication that Romeo is doomed.
"A. The ancestor of the dog." is a fragment. When in doubt, say the sentence out loud and ask yourself if there is enough information for the sentence to make sense.
Yes i agree aswell boots are amazing