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.

Some clouds are so thick and dense that ____ stars can shine through.
no

Orchestra conductors live ____ to seven years longer than is usual in their societies.
three

Calves are reddish-tan at birth and change to brown or black at ____ months.

three