Why might Achebe have included the story of Mrs. Ochuba? What does it reveal about the
father?

gerund phrase: giving more than a person needs.

noun use: predicate noun.

a. unlikely

for improbable?

the correct answer is b:

romeo and company are going to sneak in through the back.  

romeo was depressed because he wanted to try to forget about rosaline and be happy again. so mercutio told him to just go and have fun. and they sneak through the back because capuleto and montague families were enemies.