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.

[Q]: Calves are spotted when born and develop their brown coats in ____ months.
[A]: six


[Q]: Soy products contain ____ known classes of anti-cancer agents, including phytoestrogens.
[A]: five


[Q]: Some sharks can replace their front teeth every ____ weeks.
[A]:
two