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: Flat screens come in ____ varieties, analog and digital.

A: two
****
Q: Shock occurs when there are intense experiences and ____ defenses at all.

A: no
****
Q: Females have babies every ____ to four years.

A:
three
****