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.

Beavers live in families that include an adult pair and ____ to three years worth of offspring.
one

Irrigated land is almost ____ times as productive as rainfed cropland.
three

Colostrum is bright yellowish thick milk secreted in the first ____ to six days after birth.

three