Read the following lines and answer the questions that follow.
And both that morning equally lay
In leaves no step had trodden *****,
Oh, I kept the first for another day!
Yet knowing how way leads on to way,
doubted if I should ever come back.
(i) What lay equally that morning?
(ii) What had not been trodden *****?
(iii) What did the poet keep for another day?
(iv) Why did the poet doubt that he would ever come back?