In the following passage, some words have been deleted. Fill in the blanks with the help of the alternatives given. Select the most appropriate option for each blank.

As I was totally blind at the time, my eyes (1)_____ only to light and darkness, I was unable (2)_____ tell what the girl looked like; but I knew she (3)______ slippers from the way they slapped against her heels. It would take me some time to (4)______ something about her looks, and perhaps I never would. But I liked the sound of her voice and (5)_____ the sound of her slippers.