Given a sentence, fill out the missing word with a 'no' or a number (between zero and ten). You should write the numbers with english alphabet, like: four instead of 4.

Penile cancer occurs almost exclusively in the uncircumcised male at a rate of ____ per million.
eight

Television has ____ dimensions to work with, sight and sound.
two

Fluorescent lights are ____ to five times more efficient than incandescent bulbs.

four