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.

Many countries have ____ laws against kiddie porn on the Internet.
no

Cognitive therapy is a time-limited treatment lasting ____ to four months.
three

Black bears stand five to ____ feet long and almost three feet at the shoulders when on all fours.

six