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: Norplant implants are ____ matchstick size rods that are inserted into the upper arm.

A: six
****
Q: Dholes are highly social animals and live in packs of about ____ dogs.

A: ten
****
Q: Most ants have ____ such eyes on the vertex of the cranium, placed in a triangle.

A:
three
****