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: Millipedes have ____ pairs of legs on each body segment.

A: two
****
Q: Many people have ____ symptoms until they suffer chest pains or a heart attack.

A: no
****
Q: Advanced ceramics are hard, tough and durable and have ____ times the strength of a decade ago.

A:
three
****