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.

[EX Q]: Prairie dogs bear four or ____ young per litter.
[EX A]: five

[EX Q]: Some women experience a labor of three to ____ days.
[EX A]: five

[EX Q]: Bacteria come in ____ forms - anaerobic and aerobic.
[EX A]:
two