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]: Deer mice have four toes on the forefeet and ____ toes on the hind feet.
[EX A]: five

[EX Q]: Differentiation is caused by the energy going in ____ directions.
[EX A]: two

[EX Q]: Tics occur three to ____ times as often in boys as girls.
[EX A]:
four