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: Female mealybugs have only ____ nymphal stages.

A: three
****
Q: Urine tests are really limited in that they only look for five to ____ substances.

A: nine
****
Q: Soldiers mature within a year and live an average of ____ years.

A:
five
****