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

A: nine
****
Q: Mosquitoes live four to ____ weeks.

A: eight
****
Q: Raptors have acute hearing and vision, which is estimated to be ____ to ten times that of humans.

A:
eight
****