Which of the following lines was said by Winston Churchill?

• I have nothing to offer but blood, toil, tears and sweat' only
• We shall never surrender' only
• Never in the field of human conflict was so much owed by so many to so few' only
• All of the these
  Explanation:

  "Winston Churchill made many famous speeches including lines which you may still hear: ‘I have nothing to offer but blood, toil, tears and sweat’ 'we shall never surrender’ ‘Never in the field of human conflict was so much owed by so many to so few’"