Courtney has written this topic sentence.
 Which lines from the speech best supports this topic
 sentence?
 The "I Have a Dream" speech by Dr. Martin Luther King,
 Jr. uses repetition to appeal to the emotions of his
 audience.
 And as we walk, we must make the pledge that we
 shall always march ahead. We cannot turn back.
 There are those who are asking the devotees of civil
 rights, "When will you be satisfied?"
 O And they have come to realize that their freedom is
 inextricably bound to our freedom. We cannot walk
 alone.
 O We refuse to believe that there are insufficient funds
 in the great vaults of opportunity of this nation. And
 so we've come to cash this check, a check that will
 give us upon demand the riches of freedom and the
 security of justice.
 And so let freedom ring from the prodigious hilltops
 of New Hampshire. Let freedom ring from the mighty
 mountains of New York. Let freedom ring from the
 heightening Alleghenies of Pennsylvania.